致学生致老师Thanks1?C10 现在进行时与一般现在时(I am doing and I do)11?C17 一般过去时与过去进行时(I did and I was doing)18?C22 现在时与过去时(I do / I am doing and I did / I was doing)23?C28 现在完成时与现在完成进行时(I have done and I have been doing)29?C30 现在完成时、现在完成进行时与一般过去时(I have done and I have been doing; I did)31?C34 现在完成时与现在时(I have done / I have been doing and I do / I am doing)35?C36 现在完成时、现在时与过去时(I have done / I have been doing, I do / I am doing and I did)37?C42 现在完成时与一般过去时(I have done / I have been doing and I did)43?C46 一般过去时、过去进行时与过去完成时(I did, I was doing and I had done / I had been doing)47?C51 一般过去时、过去进行时与used to(I did, I was doing and I used to do)52?C53 现在时、现在完成时与过去时54?C58 表示将来:现在时与will/shall(I do / I am doing and I will/shall do)59?C63 表示将来:现在进行时、will/shall与going to(I am doing, I will/shall do and I am going to do)64 表示将来:复习65?C66 情态动词:can、could与be able to67?C68 情态动词:may与might69?C72 情态动词:can、could、may、might、must与can't......