Present Simple vs. Present Perfect

Present Perfect vs. Past Simple – main differences

Past Simple vs. Present Perfect

Present Perfect vs. Present Perfect Continuous

Present Continuous vs. Present Simple

Present Perfect

Present Perfect Continuous

Present Simple

Present Simple referring to the future

Past Simple vs. Past Continuous

Past Perfect

Future Simple

Present Continuous

Past Perfect Continuous

British English vs. American English

Some vs. Any

Will vs. Going to.

Reported questions.

Past Continuous

1st conditional

For/Since

Prepositions of time(in, on, at)

Third conditional

Third Conditional and 2nd Conditional

Verb patterns (ing)

Causes of concession (although, despite, however)

Causative have.

Compound adjectives of measurements

Be/get used to something

Modal verbs in the past (2)

Like and as

Determiners: each, every

Modals (1)

Countable and Uncountable nouns

Modals (2)

Modals in the past (1)

Prepositions of place: in, at

Used to do

So and such

Type 2 Conditionals

Prefer and Would Rather

Wish

Even if/ even when/ even though

Auxiliary verbs (have do can, etc.) I think so/ I hope so, etc.

Have got and have

Myself/ yourself/ themselves etc.

No/ none/ any/ nothing/ nobody etc.

As if/ as though/ like

Enough and too

All/ every/ whole

Had better/ it’s time….

For/ during/ while