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Use the grammatical structure "Modals of Deduction" to offer sure or possible conclusions drawn from situations happened in the past, present or future.

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Coordinación de Universidad Abierta y Educación a Distancia de la UNAM. ©Todos los derechos reservados 2017. Hecho en México. Este sitio puede ser reproducido con fines no lucrativos, siempre y cuando no se mutile, se cite la fuente completa y su dirección electrónica, de otra forma, se requiere permiso previo por escrito de la Institución.

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Practice including modals and modal expressions within sentences; (multiple choice) in an auto-correcting quiz.

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Online English grammar exercises for students - practice of using 'can', 'could' and 'may' for asking permission or offering 4.

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Modal Verbs of Probability Exercise 1 - choose must + infinitive or must + have + past participle

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Modals of Necessity, Prohibition, and Permission

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Modals of Necessity, Prohibition, and Permission

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Created with Hot Potatoes by Half-Baked Software, registered to Byron Crossley.

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ELC Study Zone: Modals of Necessity, Prohibition, and Permission - Exercise 1

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Exercises Explanation Downloads

Should, shouldn't

Exercise 1

Complete the sentences using should, shouldn't and the words in brackets ( ).

Should, shouldn't - Form

The same form for all persons

The form of should is the same for all persons:

I/you/he/she/it/we/you/they should see a specialist.

Should(n't) + infinitive

Should is a modal verb, and all modal verbs are followed by an infinitive (without to).

You should listen to me. (NOT You should to listen.)

Should not= shouldn't

The negative form of should is should not or shouldn't.

You should not be here./You shouldn't be here.

Questions

To make questions, we use should + subject + infinitive. We don't use the verb do to make questions.

Should, shouldn't - Use

Giving advice

We use should or shouldn't to give somebody advice and to say what is or isn't the right thing to do.

I think you should ...

We often say I think ... should ... to give somebody advice.

Note that in a negative sentence, we often say I don't think ... should ... (NOT I think ... shouldn't ...)

I don't think you should call her now; she's very upset. (NOT I think you shouldn't call her)

We often say Do you think ... should ... to ask for advice.

Ought to, ought not to

We can also use ought to instead of should, and ought not to instead of shouldn't.

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Should, shouldn't. Modal verbs. A2. Pre-intermediate English grammar and exercises. We use the verb 'should', 'shouldn't' to give somebody advice.

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Can, could and would for invitations, offers, requests and permission

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Sophie's in Hong Kong for Chinese New Year. At home it's cold and Oliver is making soup.

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The modals are used to do things like talking about ability, asking permission making requests, and so on.

Ability:

We use can to talk about someone's skill or general abilities:

She can speak several languages.
He can swim like a fish.
They can't dance very well.

We use to talk about the ability to do something at a given time in the present or future:

You can make a lot of money if you are lucky.
Help. I can't breathe.
They can run but they can't hide.

We use to say that someone had the ability/opportunity to do something, but did not do it:

Permission:

We use can to ask for permission to do something:

is another more formal and polite way of asking for permission:

may is a more formal and polite way of giving permission:

You may go home now, if you like.

We use to say that someone has permission to do something:

is a more formal and polite way of saying that someone has permission:

Students may travel free.

Instructions and requests:

We use and as polite ways of telling or asking someone to do something:

Could you take a message please?
Would you carry this for me please?
Could I have my bill please?

Suggestions and advice:

We use should to make suggestions and give advice:

We use could to make suggestions:

We use conditionals to give advice:

Dan will help you if you ask him.

Past tenses are more polite:

Dan would help you if you asked him.

Offers and invitations:

We use can I... and to make offers:

We can also use shall I ...

I can do that for you if you like.
I can give you a lift to the station.
I'll do that for you if you like.
I'll give you a lift to the station.

We use would you like (to) ... for invitations:

Obligation and necessity

We use must to say that it is necessary to do something:

You must stop at a red light.
Everyone must bring something to eat.
You can wear what you like, but you must look neat and tidy.
I'm sorry, but you mustn't make a noise in here.

We use had to for this if we are talking about the past:

Everyone had to bring something to eat.
We could wear what we liked, but we had to look neat and tidy.

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ability, permission, requests and advice

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The modals are used to do things like talking about ability, asking permission making requests, and so on. Ability: We use can to talk about someone's skill or general abilities: She can speak several languages. He can swim like a fish. They can't dance very well.

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Ability

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упражнения на модальные глаголы

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Exercise 1 for modal verbs expressing ability. Choose the most appropriate answer. Упражнение 1 на модальные глаголы, выражающие способность. Выберите наиболее подходящий ответ.

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The harder you work for something, the greater you'll feel when you achieve it. Success.com

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Online Exercise on Modals in English with detailed explanation

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Common Ground International Language Services

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Below are the six types of modals we use most often in English.

There are 2 modals of ability, can and could (past tense). Use the following formula when talking about ability with these modals: subject + modal + base form of the verb.

To ask a question, simply invert the modal and the subject: modal + subject + base form of the verb

The most common modals of permission are can and may. We use the same formula : subject + modal + base form of the verb.

You may not borrow my car. I never loan it to anyone . Please note, there is no contraction for may not.

To ask a question, we use the formula: modal + subject + base form of the verb

When we talk about something that could happen, but we are not sure, we use the following modals: may and might. They mean almost the same thing, except might means that you are a little more sure. Our formula is the same: subject + modal + base form of the verb.

I might not come by your house this afternoon . Please note, we do not have a contraction for may not or might not.

We ask a question in a different way with modals of possibility.
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There are several modals we use to give advice to someone: should, ought to, and had better. Please note that even though had better looks like a past tense verb, in this case it is used in the simple present. We use the same formula: subject + modal + base form of the verb.

She shouldn't see a doctor . Note, these is no negative for ought to.

He had better not pay his rent today . Note, we can also say,"He'd better pay his rent today. Many Americans shorten it to: He better pay his rent today. This is fine in conversation, but is not correct in written. English.

All modals of advice, use should to ask a question: modal + subject + base form of the verb

Should I buy new coat? Yes, you should. No, you shouldn' t.

Should and ought to mean the same thing. They are used to simply give advice to someone . Had better is much stronger. We use this modal when something bad might happen if you don't follow the advice.

We use these modals to discuss something we need to do: must, have to, and had to (past tense). The formula is the same: subject + modal + base form of the verb
Note that mustn't is pronounced mussn't)
To ask a question with a modal of necessity, we usually use the verbs have to or had to.

There are 4 modals we often use to make polite requests: would you, could you, can you, and I'd like (I would like). Would you, could you, and can you all mean the same thing. We use these modals to ask for something politely. The formula is modal + base form of the verb

We use I'd like in two ways: modal + infinitive form of the verb.

I'd like to help you with your problem .

We can also say modal + noun

I'd like some water, please .
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1. To give someone the green light . This means to give someone permission to do something. I wasn't sure if my boss would let me work from home, but he gave me the green light.

2. Red tape . This means bureaucratic procedures that often cause delays.These is so much red tape to getting a green card to work in the USA!

Related Lesson: Phrasal Verbs-Understanding and Using Two Word Verbs

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English Modals--Verbs that Express Ability, Permission, Probability, Advice, Necessity and Requests

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Subscribe to our YouTube Channel to see all of our lessons and get the latest videos right away! Download the Practice Sheet NOW Below are the six types of modals we use most often in English. There are 2 modals of ability, can and could (past tense).