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Present perfect tense:

The present perfect is used to show how something that happened in the past relates to the present. It provides background information for present events and situations.

Example:

“ I have seen that movie before “

“ I’ve played the guitar ever since I was a teenager “

Example found in an authentic material:

“The two aircraft crashed into the Potomac River, where a rescue operation has become a major recovery effort, with dozens of bodies pulled from the frigid waters so far.” NBC News article: “The two aircraft crashed into the Potomac River, where a rescue operation has become a major recovery effort, with dozens of bodies pulled from the frigid waters so far.” January 30, 2025.

Reflection:

In my opinion the present perfect tense is one of the simplest tenses yet it can be confusing because is a past action that is continuing into the present, but ones you recognize the “key words” or auxiliary verbs ( has/ have) it becomes more easy to understand.

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Passive modal tense:

We use modal verbs like can, could and should to talk about things such as ability, possibility, permission or obligation, And we use the passive voice to focus on the object of an action rather than the doer of the action.

The passive voice with modal verbs is formed by using the modal verb plus “be” plus the past participle of the verb, for example, “ it could have been done by John”.

How to form the passive modal tense:

Identify the modal verb:

Modals include

"can"

"could"

"may"

"might"

"must"

"should"

"will"

Add "be" after the modal verb and add the past participle of the verb.

Example:

Active: I will give you a test on Wednesday

Passive: a test will be given to you on Wednesday ( by me)

Example found in an authentic material:

"This is the unified Arab position. Rebuilding Gaza without displacing the Palestinians and addressing the dire humanitarian situation should be the priority for all." NPR News.

Reflection:

I think modals verbs are use to help us express various degrees of necessity, possibility, permission or obligation, they help us understand the flexibility of communication in different situations or contexts, to now have a better understanding of the uses of modal verbs helps me to communicate better and to understand the context of some conversations in my daily life.

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Articles:

In English grammar, articles “ a “, “an”, and “the” are words that appear before nouns to indicate whether the noun is specific or general.

Among the three articles, ‘the’ is said to be the definite article. A definite article is used to determine something that is specific or particular. It is also used before plural nouns and to indicate the superlative degree of comparison. Furthermore, it can be used before collective nouns as well.

The articles ‘an’ and ‘an’ are termed as indefinite articles. An indefinite article, as the name suggests, is used to indicate something that is not definite or specific. It can also be used before singular nouns.

Among the indefinite articles, ‘an’ is used before singular nouns that start with vowel sounds and ‘a’ is used before singular nouns that begin with consonant sounds.

Example:

“Please close the door." (referring to a specific door that is already known)

"I saw a dog in the park." (referring to any dog, not a specific one)

“She ate an apple for lunch." (used before a noun starting with a vowel sound)

Example found in authentic material:

“The successful candidates will be required to research tasks related to near-Earth asteroid monitoring”

“They are also required to have a background in astrophysics, Earth and space exploration technology, astronomy, optical engineering, or aerospace science and technology”

“The job postings come after the Dec. 27 discovery of 2024 YR4, an asteroid measuring up to 300 feet that crosses Earth’s orbit about every four years.”

NBC NEWS https://www.nbcnews.com/news/world/china-planetary-defense-force-asteroid-collision-earth-rcna192543

Reflection:

articles are essential for making distinctions between a particular item and any item of a similar kind. Without them, our sentences would lack crucial details that help convey exact meanings.

articles can be tricky for learners because some languages don’t use articles at all, or use them in different ways. Yet, articles play a big role in making English sentences clear and precise, guiding how listeners or readers interpret the nouns involved.

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HONG KONG - China is recruiting for a planetary defense force to combat the threat of asteroids colliding with Earth.

The successful candidates will be required to research tasks related to near-Earth asteroid monitoring and early-warning systems, according to the job description for the three positions, among 16posted last week by the State Administration of Science, Technology and Industry for National Defense (SASTIND), which oversees the country's space activities.

Applicants must be under 35 and "maintain a firm political stance" in line with the ruling Chinese Communist Party and its leader, Xi Jinping, it said.

They are also required to have a background in astrophysics, Earth and space exploration technology, astronomy, optical engineering, or aerospace science and technology, with a master's degree or higher.

SASTIND did not immediately respond to a faxed request for comment on Tuesday.

The job postings come after the Dec. 27 discovery of 2024 YR4, an asteroid measuring up to 300 feet that crosses Earth's orbit about every four years.

Last week, NASA said there was a 2.3% chance that the asteroid would collide with Earth in 2032, up from 1.2% in late January.

"It's a small chance, but it's still not insignificant, that it could collide with the Earth, and if it does, then it could create a huge amount of damage," said Quentin Parker, director of the Laboratory for Space Research at the University of Hong Kong.

But 2032 is far enough away, he said, that the Chinese program and similar ones in the United States and other countries can work together to prevent that from happening.

While the word "force" can suggest military connotations such as the U.S. Space Force, Parker said what China is establishing is more of a team for detecting planetary threats and doing something about them, "including looking at international cooperation, which is something that, in my experience, at least the Chinese really like to try to do."

The ads have been a major topic of online discussion among young people in China, who are grappling with high unemployment.

"The asteroid threat has created three new job opportunities," one commenter joked on the Chinese social media platform Weibo.

Social media users also said the three recruits would be under a lot of pressure, trying to save their world on their own.

But Parker said they might have more company soon.

"The thing about China is that it can devote resources, significant resources, to a thing of this nature," Parker said. "You start off with a team of 16, and five years from now it might be a team of 100."

The planetary defense force is part of a robust Chinese space program that includes a space station, missions to the far side of the moon and a rover on Mars.

China has been a member of the International Asteroid Warning Network, a centralized hub of information coordinated by NASA, since 2018. In 2022, Wu Yanhua, deputy director of the China National Space Administration, said China would begin building a near-Earth asteroid defense system.

"We aim to detect these asteroids, develop defense strategies and, if necessary, find ways to change their orbits so they no longer pose a threat to humanity or the Earth," Wu Weiren, the chief designer of China's Lunar Exploration Program, told Hongxing News in October.

In 2027, China is planning an asteroid-deflection test akin to the Double Asteroid Redirection Test successfully carried out by NASA in 2020. The Chinese test will be conducted on an asteroid called 2015 XF261, which is smaller than the 525-foot Dimorphos asteroid whose trajectory NASA disrupted by crashing a spacecraft into it.

In recent years, China has made "significant progress" in asteroid defense, with engineering projects and telescope construction in the works, Li Mingtao, an expert at the National Space Science Center of the Chinese Academy of Sciences, told the state-run China Science Daily newspaper in an interview published Feb. 10.

"In the future, we will not only strengthen the equipment configuration and performance, improve the operational models and algorithms," Li said, "but also cultivate specialized talent in asteroid defense, contributing China's wisdom and power to safeguard Earth's safety."
Jennifer Jett reported from Hong Kong, and Dawn Liu and Rae Wang reported from Beijing.

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Wanted: 3 asteroid watchers for China's 'planetary defense force'

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Applicants must be under 35 and "maintain a firm political stance" in line with the ruling Chinese Communist Party and its leader, Xi Jinping, the job listing said.

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Fronting - Clefting:

Fronting :

Fronting is a grammatical technique that involves placing a word group at the beginning of a sentence, rather than after the verb. It's also known as preposing or front-focus

Purpose

Emphasis: Fronting is used to emphasize a word or phrase that's important or essential in the sentence.

Cohesion: Fronting can help ideas flow well and enhance cohesion.

Dramatic effect: Fronting can be used to make something more engaging.

Examples

"On the bench was a mug of coffee" instead of "A mug of coffee was on the bench"

"In the drawer, I found the keys" instead of "I found the keys in the drawer"

"Never had I seen such a view" instead of "I had never seen such a view"

Other uses

Fronting can be used with adverbs, adverbial phrases, objects, negative expressions, comparative phrases, and conditionals.

Fronting is often used in speech and written communication.

Clefting:

clefting is a sentence structure that emphasizes a specific part of a sentence by moving it to a different clause. This technique is often used to add new information to what the listener already knows; We use a cleft sentence to add new or important information to what the listener already knows. They are especially useful in written form because, in writing, we can't show stress with our voices.

Examples of cleft sentences:

"It was in June we got married"

"What I need is a holiday"

"What they like is smoked salmon"

"What we need to do is get new batteries for it"

reflexion:

Fronting and clefting are two syntactic strategies in English that emphasize specific parts of a sentence by altering the usual word order, both fronting and clefting are valuable tools for conveying emphasis, structuring information, and enhancing expressiveness in English communication.

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Adjective clauses and phrases:

We use Adjective phrases and adjective clauses that modify, or describe, a noun or pronoun. Adjective phrases, like all phrases, do not include a subject and verb.

Adjective clauses:

They allow you to

combine two sentences into one by using relative pronouns ( who, whom, whose, where, when,

which, that, and why ) as connectors.

Example:

Pizza, which most people love, is not very healthy.

Those people whose names are on the list will go to camp.

Grandpa remembers the old days when there was no television.

Fruit that is grown organically is expensive.

Example found in authentic material:

The state’s Republican-led legislature on Tuesday will debate the new law, which also includes a number of changes including eliminating working time restrictions on teenagers aged 14 and 15 if they are home-schooled and ending guaranteed meal breaks for 16 and 17 year olds.

https://www.cnn.com/2025/03/25/business/florida-child-labor-laws/index.html

Adjective phrases:

An adjective phrase always has an adjective acting as the head. The adjective phrase may also contain words or phrases before or after the head (modifiers and complements)

Example:

That’s a lovely cake.

These flowers are wonderful.

That soup is pretty cold.

Many of the exercises are fairly difficult.

Example found in authentic material:

And despite doing pretty much nothing different product- or marketing-wise (Agnès B. doesn’t advertise, and Charvet barely has a social media presence), these brands are being rediscovered by new shoppers, bringing even more interest to their long-standing core products.

https://www.vogue.com/article/these-french-brands-are-having-a-moment

Reflection:

I think adjective clauses and phrases are needed to help describe or emphasize a noun, they could help us to understand better the meaning of a sentence, at first I had a hard time distinguishing between the clauses and the phrases but with practice, I have learned the differences and how to use them in different situations.

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Florida debates lifting some child labor laws to fill jobs vacated by undocumented immigrants | CNN Business

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Florida has been working for years to crack down on employers that hire undocumented immigrants. But that presented a problem for businesses in the state that are desperate for workers to fill low-wage and often undesirable jobs.

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perfect gerunds:

The Perfect Gerund is formed using the auxiliary verb "having" along with a past participle verb. The Perfect Gerund is used when wanting to express an action that occurred at a specific time in the past. The structure that perfect gerund uses is having + past participle.

Example:

Kelsey is exercising to recover from having been in an accident.

Brian apologized for having arrived late to the party.

Having studied all night makes her exhausted.

Having lost his way made him meet me - his destiny.

Example found in authentic material:

Reflection:

for me, perfect gerund is one of my favorite forms in grammar, it is used to replace the present form of a gerund when describing a past action, at first it could be confusing how to use it and how to use the correct form but with practice I believe it could be more easy to use.

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Adverb clauses and phrases:

Clauses:

Adverb clauses modify independent main clauses, they tell when, where, how or why.

Adverb clauses are dependent clauses, they can’t stand alone and all clauses contain a subject and a verb.

Example:

When the sun rises, I wake up.

Wherever you go, I will follow.

Because it is raining, we will stay inside.

As she walked, she smiled.

Phrases:

An adverb phrase is a group of words that acts as an adverb to modify the main clause of a sentence. Adverbial phrases can be made up of two adverbs. These are typically formed by adding a qualifier or intensifier, it modifies a verb, adjective, adverb, or even a whole clause.

Examples:

Detective Jones caught the thief quite easily.

Let’s go for a walk after dinner

I threw my coat on the chair.

To become a better musician, Cassie practiced every day.

Reflection:

In my opinion, adverb phrases and clauses are important in our daily use because it adds detail and context to sentences, it can help to clarify an idea or to be more precise and it also helps with the linking of ideas between sentences.

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Noun phrases and clauses:

Noun phrases:

A noun phrase is a group of words that functions like a noun. noun phrases act as subject or object in a sentence. Noun phrases can’t function as a complete sentence, they don’t have a verb.

Noun phrases can include premodifiers, which are describing words that come before a noun. Premodifiers can include articles (such as the and an) and adjectives (such as intelligent or blue).

Examples:

My new car

The big red apple

That fluffy cat

Noun clauses:

A noun clause is a type of subordinate clause (dependent clause) that acts as a noun in a sentence. Most of the time noun clauses begin with a relative pronoun like what or whatever.A noun clause contains both a subject and a verb, noun clauses are a specific type of clause called a subordinate clause or dependent clause they cannot be used alone and need to join an independent clause.That means sentences with noun clauses will always have at least two verbs

Example:

Whoever wrote the graffiti needs grammar lessons.

My dog eats whatever falls on the floor.

The chess player didn’t know if they could win.

Reflection:

In my opinion noun phrases and clauses are complex advanced English, although we used them daily sometimes we don’t notice them, practicing them help to understand the topic better and also help me to use the correct structure of clauses and nouns.