Subject + will be + verb-ing

Subject + was/were + verb-ed

Subject + have + verb-ing

Subject + am/is/are + verb-ing

I have visited Paris.

I will visit Paris.

I visited Paris yesterday.

I am visiting Paris now.

has/have + present participle + been

has/have + been + present participle

has/have + been + past participle

is/am/are + present participle

For predictions about the future

We use the present simple tense for habitual actions, general truths, scheduled events, and feelings.

For ongoing actions happening right now

For actions that happened in the past

She reads books

She is reading a book.

She reading a book

She is read a book

is

will

was

have

I am studying for three hours.

I will study for three hours.

I have been studying for three hours.

I studied for three hours.

We don't eat much sweets.

We aren't eating much sweets these days.

We haven't eaten much sweets this week.

We never eat sweets.

• have understood

• don't understand

• haven't understood

• understand

• Are you seeing

• Have you been seeing

• Do you see

• Have you seen

• are you doing

• did you do

• has you been doing

• have you been doing

• look for

• am looking for

• have looked for

• have been looking for

have met

meet

have been meeting

met

isn't playing

doesn't play

hasn't played

hasn't been playing