Нужно составить в каждом времени - pr.s, pr.c,p.s,f.s со словосочитанием to write a letter. утверждение ,отрицание и вопрос!

Present Simple.
He often writes letters.
I don't write letters.
Does she write a letter?

Present Continious.
I am writing a letter.
She isn't writing a letter.
Is John writing a letter?

Past Simple.
Isaac wrote a letter.
I didn't write any letters.
Did you write a letter?

Future Simple.
Emely will write you a letter.
I won't write you a letter.
Will you write a letter?