Я (читать) книгу во временах present simple, past simple, futurevsimple, present cont., present perfect. в положительном, отрицательном и вопросительном.

1. I read a book. - Present Simple (читаем глагол РИД)

I don't read a book.

Do you read a book?

2. I read a book. - past Simple. (Читаем глагол РЭД)

I didn't read a book. (читаем глагол РИД)

Did you read a book? (читаем глагол РИД)

3. I will read a book. - Future Simple

I will not read a book.

Will you read a book?

4. I am reading a book - Pr. Cont.

I am not reading a book.

Are you reading a book?

5. I have read a book. - Pr. Perfect (Везде читаем глагол РЭД)

I haven't read a book.

Have you read a book?