肯定：
I have washed my shoes.
Tom has had his breakfast.
Mike has read that book.
This week my car has broken down three times.
She has been to Mexico last year.
Margaret has studied ballet since she was a child.
She has been in England for 3 years.
Man has walked on the moon.
My son has learned how to read English.
George has collected coins for ten years.
否定：
I haven't washed my shoes.
Tom hasn't had his breakfast.
Mike hasn't read that book.
She hasn't been to Mexico yet.
Margaret hasn't studied ballet since she was a child.
Man hasn't walked on Mars.
My son hasn't learned how to read English.
You haven't grown since the last time I saw you.
I haven't been to the United States.
Bill has still not arrived.