Составить 5 предложений утвердительных, 5 предложений отрицательных и 5 предложений вопросительных в present perfect

Утвердительные He has forgotten his name. 
I have visited Moscow 3 times. 
She has studied English since childhood.
I have finished reading a book this week.
We have written a letter.  

отрицательные He hasn`t forgotten his name. 
I haven`t visited Moscow 3 times.
She hasn`t studied English since childhood.
I haven`t finished reading a book this week.
We haven`t written a letter.  

вопросительные Has he forgotten his name?
Have I visited Moscow 3 times?
Has she studied English since childhood?
Have I finished reading a book this week?
Have we written a letter?