To the student 致学生
To the teacher 致老师
Thanks
Exercise
numbers
练习序号
1-3 Present continuous and present simple(I am doing and I do)
现在进行时和一般现在时
4-7 Past simple and past continuous (I did and I was doing)一般过去时和过去进行时
8-12 Present continuous and present simple;past continuous and past simple(I am doing and I do;I was doing and I did)
现在进行时和一般现在时;过去进行时和一般过去时
13-15 Present perfect simple and continuous(I have done and I have been doing) 现在完成时和现在完成进行时
16 Present perfect simple and continuous,and past simple(I have done,I have been doing and I did) 现在完成时、现在完成进行时和一般过去时
17-20 Present perfect and present(I have done/I have been doing and I do/I am doing) 现在完成时和现在时
21 Present perfect,present and past(I have done/I have been doing,Ido/I am doing and l did) 现在完成时、现在时和过去时
22-28 Present perfect and past simple(I have done and I did)
现在完成时和一般过去时
29-33 Past simple,past continuous and past perfect(I did,I was doing and I had done/I had been doing) 一般过去时、过去进行时和过去完成时
34-38 Past simple,past continuous and used to(I did,I was doing and I used to do) 一般过去时、过去进行时和used to
39-40 Present,present perfect and past 现在时、现在完成时和过去时
41-44 Present tenses for the future and will/shall(I do,I am doing and I’ll do) 现在时表示将来 will/shall
45-48 The future:will/shall,going to and present continuous(Ill do,Im going to do and Im doing)将来时:will/shall,going to和现在进行时
49 The future:revision 将来时:复习
50-51 Can,could and(be) able to 情态动词(1):can,Could与(be)able to
52-53 情态动词(2): May/might
54-58 情态动词(3): Must/cant/may/might
59-62 情态动词(4): Must(nt)/neednt/should(n’t)/dont have to
63-66 情态动词(5):(Dont)have to/should(nt)/had better(not)/ought(not)to
67-69 情态动词(6):Should
……
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