To the student致学生
To the teacher致老师
Thanks
Exercise
numbers
练习序号
1-3Present continuous and present simple I am doing and I do 现在进行时和一般现在时
4-7Past 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, I do / I am doing and I 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 现在时表示将来和will I shall
45-48 The future: will / shall, going to and present continuous I''ll do, I''m going to do and I''m doing 将来时：Will/shall,going to 和现在进行时
49 The future: revision站起来时：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 / can''t / may / might
59-62 情态动词 4 :Must n''t / needn''t / should n''t / don''t have to
63-66 情态动词 5 : Don''t have to / should n''t / had better not / ought not to
67-69 情态动词 6 :Should
70-75 If I do and If I did 虚拟语气 1 : If I do -9 If I did
76-79 If I did and If I had done 虚拟语气 2 : If I did -9 If I had done
80 Conditionals: revision条件名：复习
81-83 I wish ...
84-94 The passive被动语态
95 Have ... done
96-100Questions疑问名
101-110Reported speech间接引语
111-116Verb
-ing and verb
to ...动词 ing结构和动词 to…结构
117-118Prepositions and expressions
-ing介词和短语 -ing形式
119I''m used to doing and I used to do I''m used to doing 与 I used to do
120Preposition
-ing and to ...介词 -ing形式和动词不定式
121Verb forms: revision动词形式：复习
122-124Countable and uncountable nouns可数名词和不可数名词
125-126A and an, some and the冠语 1 :a与an,some与the
127-128冠词 2 : The
129-133Quantifiers and pronouns限量词和代词
134-137Relative clauses关系从名
138-140Adjectives and adverbs形容词和副词
141-142Comparatives and superlatives比较级和最高级
143-t45Word order - adverbs with the verb词序——副词修饰动词
146-148Prepositions of time时间介词
149-150Prepositions of place方位介词
151-152Prepositions general 普通介词（概述）
153-154Adjective/verb
preposition形容词/动词 介词
155-156Phrasal verbs短词动词
157-158Spelling拼写
Acknowledgements
Solution to exercise 121练习121解答
Key答案
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