致學(xué)生
致老師
Thanks

1?C10 現(xiàn)在進(jìn)行時與一般現(xiàn)在時
(I am doing and I do)
11?C17 一般過去時與過去進(jìn)行時
(I did and I was doing)
18?C22 現(xiàn)在時與過去時
(I do / I am doing and I did / I was doing)
23?C28 現(xiàn)在完成時與現(xiàn)在完成進(jìn)行時
(I have done and I have been doing)
29?C30 現(xiàn)在完成時、現(xiàn)在完成進(jìn)行時與一般過去時
(I have done and I have been doing; I did)
31?C34 現(xiàn)在完成時與現(xiàn)在時
(I have done / I have been doing and I do / I am doing)
35?C36 現(xiàn)在完成時、現(xiàn)在時與過去時
(I have done / I have been doing, I do / I am doing and I did)
37?C42 現(xiàn)在完成時與一般過去時
(I have done / I have been doing and I did)
43?C46 一般過去時、過去進(jìn)行時與過去完成時
(I did, I was doing and I had done / I had been doing)
47?C51 一般過去時、過去進(jìn)行時與used to
(I did, I was doing and I used to do)
52?C53 現(xiàn)在時、現(xiàn)在完成時與過去時
54?C58 表示將來：現(xiàn)在時與will/shall
(I do / I am doing and I will/shall do)
59?C63 表示將來：現(xiàn)在進(jìn)行時、will/shall與going to
(I am doing, I will/shall do and I am going to do)
64 表示將來：復(fù)習(xí)
65?C66 情態(tài)動詞：can、could與be able to
67?C68 情態(tài)動詞：may與might
69?C72 情態(tài)動詞：can、could、may、might、must與can't
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