Present simple or present continuous

Future forms: Will, be going to, present continuous

Past simple or present perfect?

Present perfect simple and present perfect continuous

During, for, while

Comparative and superlative adjectives and adverbs

A(n), the, no article

Another, other, others, the other, the others

Can, could, be able to: Ability and possibility

Have to, must, should: Obligation, prohibition, necessity, advice

Reflexive pronouns: Myself, yourself, etc.

-Ed/-ing adjectives: Adjectives from verbs

Past simple, past continuous, past perfect

Review of all intermediate verb tenses (CEFR B1)

Usually, used to, be used to, get used to

Passive verb forms

Active and passive voice

Modal verbs of deduction: Must, may, might, could, can't

First conditional, future time clauses

Second conditional: Unreal situations

First and second conditionals

Third conditional: Past unreal situations

Indirect speech / Reported speech

Gerund or infinitive: Do, to do, doing

Much, many, a lot, little, few, some, any, no: Quantifiers

All, both: Quantifiers

Both, either, neither: Quantifiers

Any, no, none: Quantifiers

So, such, such a, so much, so many

Defining and non-defining relative clauses

Question tags: Aren't you? don't you?

Clauses of contrast, purpose and reason

Verb + preposition: Dependent prepositions

Adjective + preposition: Dependent prepositions

Had better... It's time...

For, since, from: What's the difference?

Compound adjectives with numbers: 'a two-day trip'

B1 Phrasal verbs 1: Exercises and explanation

B1 Phrasal verbs 2: Exercises and explanation

B1 Phrasal verbs 3: Exercises and explanation

Would rather & Would sooner