You must have studied English for many years是现在完成时吗
You must have studied English for many years是现在完成时吗
反义疑问句:you must have studied English for three years,_____?he
he must have studied English for many 为什么要用have而不是has
How long have you studied English?___ A.For 5years B.5years
you will have studied English for six years by the time you
how long have you studied english for?
I have studied English for 7 years.(同义转换)
We have studied English for 3 years.被动语态
I have studied English for 7 years.同义句
( ) have you studied English.
They have studied english for six years改为否定.they english for
改错:we have studied English for about six years since I have