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At the A1 level of English proficiency, learners typically have a basic understanding of grammar concepts and can communicate using simple structures. Here are some grammar concepts that are typically covered at the A1 level:

1. Nouns: common and proper nouns, countable and uncountable nouns

2. Verbs: present simple tense, including affirmative and negative forms, as well as the verb "to be" and basic irregular verbs (e.g. have, do, go)

3. Adjectives: basic descriptive adjectives, including colors, size, and shape

4. Pronouns: basic personal pronouns (e.g. I, you, he, she, it, we, they) and possessive pronouns (e.g. my, your, his, her, its, our, their)

5. Adverbs: basic adverbs of time, place, and frequency (e.g. now, here, often)

6. Prepositions: basic prepositions of time and place (e.g. in, on, at, to, from, with)

7. Simple sentence structures: basic sentence structures with subject-verb-object order, and simple questions and answers

It's important to note that the exact curriculum and emphasis on different concepts can vary depending on the learning program and institution.

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At the A2 level of English proficiency, learners have a basic understanding of English grammar concepts and can communicate in simple sentences on familiar topics. Here are some of the grammar concepts that are typically covered at the A2 level:

1. Nouns: common and proper nouns, countable and uncountable nouns, and basic plural forms

2. Verbs: present simple tense, present continuous tense, including affirmative and negative forms, and basic irregular verbs (e.g. go, have, do)

3. Adjectives: comparative and superlative forms of adjectives, possessive adjectives, and adjectives used to describe feelings and emotions

4. Pronouns: personal pronouns, possessive pronouns, reflexive pronouns, and demonstrative pronouns

5. Adverbs: adverbs of frequency, degree, time, and manner

6. Prepositions: basic prepositions of time, place, and movement

7. Simple sentence structures: basic sentence structures with subject-verb-object order, and the use of question words to form questions

It's important to note that the exact curriculum and emphasis on different concepts can vary depending on the learning program and institution. Additionally, some learners may progress through the A2 level at different rates and may require additional support in certain areas of grammar.

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At the B1 level of English proficiency, learners have a solid foundation in English grammar and can communicate more confidently on a wider range of topics. Here are some of the grammar concepts that are typically covered at the B1 level:

1. Nouns: countable and uncountable nouns, common and proper nouns, noun phrases, and basic article usage

2. Verbs: present simple tense, present continuous tense, past simple tense, and basic modal verbs (e.g. can, should, must)

3. Adjectives and adverbs: comparative and superlative forms of adjectives and adverbs, including irregular forms, and the use of intensifiers (e.g. very, really)

4. Pronouns: personal pronouns, possessive pronouns, relative pronouns, and indefinite pronouns (e.g. someone, anybody)

5. Prepositions: prepositions of time, place, and movement, phrasal verbs, and prepositions used in idiomatic expressions

6. Conjunctions: coordinating conjunctions (e.g. and, or, but) and subordinating conjunctions (e.g. because, although)

7. Sentence structures: simple, compound, and complex sentence structures, including the use of clauses and conjunctions

It's important to note that the exact curriculum and emphasis on different concepts can vary depending on the learning program and institution. Additionally, some learners may progress through the B1 level at different rates and may require additional support in certain areas of grammar.

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At the B2 level of English proficiency, learners have a strong understanding of English grammar and can communicate effectively and accurately on a wide range of topics. Here are some of the grammar concepts that are typically covered at the B2 level:

1. Nouns: countable and uncountable nouns, abstract and concrete nouns, and advanced article usage

2. Verbs: all verb tenses, including perfect and progressive forms, passive voice, and modal verbs with more advanced usage (e.g. could have, might have)

3. Adjectives and adverbs: advanced comparative and superlative forms of adjectives and adverbs, including the use of modifiers (e.g. quite, rather, somewhat), and the use of multiple adjectives in a sentence

4. Pronouns: personal pronouns with more advanced usage (e.g. reflexive, emphatic), relative pronouns with more advanced usage (e.g. defining and non-defining clauses), and advanced indefinite pronouns (e.g. each other, one another)

5. Prepositions: advanced prepositions of time, place, and movement, including prepositional phrases, idiomatic expressions, and phrasal verbs

6. Conjunctions: advanced coordinating and subordinating conjunctions, and the use of conjunctive adverbs (e.g. furthermore, however) to connect sentences

7. Sentence structures: advanced sentence structures, including complex and compound-complex sentences, the use of non-finite clauses, and inversion for emphasis or questions

It's important to note that the exact curriculum and emphasis on different concepts can vary depending on the learning program and institution. Additionally, some learners may progress through the B2 level at different rates and may require additional support in certain areas of grammar.

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At the C1 level of English proficiency, learners have a very strong understanding of English grammar and can use it effectively and accurately in a wide range of contexts. Here are some of the grammar concepts that are typically covered at the C1 level:

1. Verb tenses: advanced usage of all verb tenses, including perfect and progressive forms, passive voice, and modals with more advanced usage (e.g. perfect modals, hypothetical modals)

2. Conditionals: advanced usage of all conditional forms, including mixed conditionals and conditional inversion

3. Reported speech: advanced usage of reported speech, including tense changes, modals, and reporting verbs

4. Adjectives and adverbs: advanced comparative and superlative forms, including the use of modifiers (e.g. absolutely, totally) and the use of adjectives as complements

5. Gerunds and infinitives: advanced usage of gerunds and infinitives, including after certain verbs and expressions, as subjects and objects, and with modal verbs

6. Pronouns: advanced usage of all types of pronouns, including reflexive, demonstrative, and relative pronouns with more advanced usage (e.g. defining and non-defining clauses, ellipsis)

7. Prepositions: advanced usage of prepositions, including idiomatic expressions and phrasal verbs

8. Conjunctions: advanced usage of conjunctions, including correlative conjunctions and the use of linking adverbials

9. Sentence structures: advanced sentence structures, including complex and compound-complex sentences, ellipsis, and inversion for emphasis or questions

It's important to note that the exact curriculum and emphasis on different concepts can vary depending on the learning program and institution. Additionally, some learners may progress through the C1 level at different rates and may require additional support in certain areas of grammar.

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At the C2 level of English proficiency, learners have a near-native understanding of English grammar and can use it effectively and accurately in all contexts. Here are some of the grammar concepts that are typically covered at the C2 level:

1. Verb tenses: advanced usage of all verb tenses, including perfect and progressive forms, passive voice, and modals with more advanced usage (e.g. perfect modals, hypothetical modals)

2. Conditionals: advanced usage of all conditional forms, including mixed conditionals and conditional inversion

3. Reported speech: advanced usage of reported speech, including tense changes, modals, and reporting verbs

4. Adjectives and adverbs: advanced comparative and superlative forms, including the use of modifiers (e.g. absolutely, totally) and the use of adjectives as complements

5. Gerunds and infinitives: advanced usage of gerunds and infinitives, including after certain verbs and expressions, as subjects and objects, and with modal verbs

6. Pronouns: advanced usage of all types of pronouns, including reflexive, demonstrative, and relative pronouns with more advanced usage (e.g. defining and non-defining clauses, ellipsis)

7. Prepositions: advanced usage of prepositions, including idiomatic expressions and phrasal verbs

8. Conjunctions: advanced usage of conjunctions, including correlative conjunctions and the use of linking adverbials

9. Sentence structures: advanced sentence structures, including complex and compound-complex sentences, ellipsis, and inversion for emphasis or questions

10. Idioms and expressions: advanced usage of idioms and expressions, including phrasal verbs, collocations, and figurative language.

It's important to note that the exact curriculum and emphasis on different concepts can vary depending on the learning program and institution. Additionally, some learners may progress through the C2 level at different rates and may require additional support in certain areas of grammar.