【目录】 To the student To the teacher Thanks Unit 1 am/is/are 2 am/is/are（questions） 3 I am doing（present continuous） 4 are you doing?（present continuous questions） 5 I do/work/like etc.（present simple） 6 I dont...（present simple negative） 7 Do you...?（present simple questions） 8 I am doing and I do（present continuous and present simple） 9 I have.../Ive got... 10 was/were 11 worked/got/went etc.（past simple） 12 I didnt... Did you...?（past simple negative and questions） 13 I was doing（past continuous） 14 I was doing（past continuous）and I did （past simple） 15 I have dong（present perfect 1）
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