Question

I write a book convert this sentence into all type of tenses

Answer 1

simple present-I write a book.
present continuous-I am writing a book.
present perfect-I have written a book.
present perfect continues-I have been writing a book.
simple past-I wrote a book.
past continues-I was writing a book.
past perfect-I had written a book.
past perfect continues-I had been writing a book.

Answer 2

Answer:

I write a book simple present