The importance of English vocabulary

Differences between present perfect and present perfect continuous

Differences between past and future tenses

How to use modal verbs

The frequency of the action

The continuous nature of the action

The completion of the action

The start of the action

Present perfect indicates ongoing action, while present perfect continuous indicates completion

Both indicate a completed action

Both indicate an ongoing action

Present perfect indicates completion, while present perfect continuous indicates ongoing action

A single completed action

A continuous action

Repetitive actions over a period of time

An action that will happen in the future

Future continuous

Present perfect

Simple past

Present perfect continuous

Present perfect shows completed actions, while present perfect continuous may show ongoing actions

Both tenses show completed actions

Present perfect continuous always shows completed consequences

Present perfect always shows ongoing consequences

Live

Cook

Read

Know

The completion of the action

The ongoing nature of the action

The start of the action

The frequency of the action

Present perfect continuous

Future perfect

Present perfect

Simple past

I have known my friend for five years

I have been knowing my friend for five years

I know my friend for five years

I have been known my friend for five years