Simple

Continuous

Perfect

Perfect Continuous

V (Vs)

I write. He writes.

Do I write? Does he write?

I don’t write. He doesn’t write.

(day by day, every day, weekly, usually, often, never, sometimes, at first…, then…)

am

to be   is      + Ving

are

I am writing. He is writing.

Am I writing? Is he writing?

I am not writing. He is not writing.

(now, at the present moment..)

have (has)+ Vз(Ved)

I have written. He has written.

Have I written? Has he written?

I have not written. He has not writte

(today, this week, this month, this year, never, ever, already, lately, since…)

have (has) been + Ving

I have been writing.

Have I been writing?

I have not been writing.

(for 2 hours, for a month, for the last 2 days, How long…? Since when…? Since…)

V₂

I wrote. He wrote.

Did I write? Did he write?

I did not write. He did not write.

(yesterday, two days ago, last year, in1980, every day, often, always, at first, then…)

was (were) + Ving

I was writing.

Was I writing?

I was not writing.

(at 7 o’clock, at that moment, when…, while…, from…till, all day long)

had + Vз (Ved)

I had written.

Had I written?

I had not written.

(by 5 o’clock, by the 15^th of May, by the end of the week, before)

had been + Ving

I had been writing.

Had I been writing?

I had not been writing.

(for 2 hours, for a month, since…)

will + V

I will write. (I shall write.)

Will I write?

I will not write. I won’t write.

(tomorrow, next week, next year, every day, often, always, at first, then)

will be + Ving

I will be writing.

Will I be writing?

I will not be writing.

(at 7 o’clock, when…, while…)

will have +Vз (Ved)

I will have written.

Will I have written?

I will not have written.

(by 7 o’clock, by the 15^th of May, by the end of the week, before)

will have been+Ving

I will have been writing.

Will I have been writing?

I will not have been writing.

(for 2 hours, for a month, how long…,since)