Present Continuous

I

am writing

a book now.

He

is writing

a book now.

Present Simple

I

write

books.

He

writes

books.

Present Perfect

I

have written

a book.

He

has written

a book.

Present Perfect Continuous

I

have been writing

a book.

He

has been writing

a book.

Past Simple

I

wrote

a book yesterday.

He

wrote

a book yesterday.

Past Continuous

I

was writing

a book all day long.

You

were writing

a book all day long.

Past Perfect

I

had written

a book.

He

had written

a book.

Past Perfect Continuous

I

had been writing

a book.

He

had been writing

a book.

Future Simple

I

will write

a book.

He

will write

a book.

Future Continuous

I

will be writing

a book.

He

will be writing

a book.

Future Perfect

I

will have written

a book by the end of the week.

He

will have written

a book by the end of the week.

Future Perfect Continuous

I

will have been writing

a book.

He

will have been writing

a book.

Present Continuous

Am

I

writing

a book now?

Is

he

writing

a book now?

Present Simple

Do

I

write

books?

Does

he

write

books?

Present Perfect

Have

I

written

a book?

Has

he

written

a book?

Present Perfect Continuous

Have

I

been writing

a book?

Has

he

been writing

a book?

Past Simple

Did

I

write

a book yesterday?

Did

he

write

a book yesterday?

Past Continuous

Was

I

writing

a book all day long?

Were

you

writing

a book all day long?

Past Perfect

Had

I

written

a book?

Had

he

written

a book?

Past Perfect Continuous

Had

I

been writing

a book?

Had

he

been writing

a book?

Future Simple

Will

I

write

a book?

Will

he

write

a book?

Future Continuous

Will

I

be writing

a book?

Will

he

be writing

a book?

Future Perfect

Will

I

have written

a book by the end of the week?

Will

he

have written

a book by the end of the week?

Future Perfect Continuous

Will

I

have been writing

a book?

Will

he

have been writing

a book?

Present Continuous

I

am not writing

a book now.

He

isn't writing

a book now.

Present Simple

I

don't write

books.

He

doesn't write

books.

Present Perfect

I

haven't written

a book.

He

hasn't written

a book.

Present Perfect Continuous

I

haven't been writing

a book.

He

hasn't been writing

a book.

Past Simple

I

didn't write

a book yesterday.

He

didn't write

a book yesterday.

Past Continuous

I

wasn't writing

a book all day long.

You

weren't writing

a book all day long.

Past Perfect

I

hadn't written

a book.

He

hadn't written

a book.

Past Perfect Continuous

I

hadn't been writing

a book.

He

hadn't been writing

a book.

Future Simple

I

won't write

a book.

He

won't write

a book.

Future Continuous

I

won't be writing

a book.

He

won't be writing

a book.

Future Perfect

I

won't have written

a book by the end of the week.

He

won't have written

a book by the end of the week.

Future Perfect Continuous

I

won't have been writing

a book.

He

won't have been writing

a book.