I have already done my homework.
I have just had my dinner.
I have already seen that film.
I have never been to London.
Have you ever visited your grandparents?
现在完成时：
1,I have already had my holiday this year.
2,I have just had a cup of coffee.
我哭啊,我修改一个字就刀最后了,本来是第二的,郁闷!