Welcome!

1 Yes/No questions

2 Wh-questions

3 The past: What happened? The present perfect: What has happened?

4 The past continuous: What was happening? The present perfect continuous: What has been happening?

5 Past, present, and future

6 Quantity

7 Articles-Ⅰ

8 Articles-Ⅱ

9 Comparison

10 Requests and obligation

11 Ability

12 Advice and suggestions

13 Doing or to do?-Ⅰ

14 Doing or to do?-Ⅱ

15 Prepositions-Ⅰ

16 Prepositions-Ⅱ

17 The future

18 Possibility and probability

19 Verbs + prepositions

20 Phrasal verbs

21 If... sentences-Ⅰ

22 If... sentences-Ⅱ

23 The passive-Ⅰ

24 The passive-Ⅱ

25 Prepositional phrases-Ⅰ

26 Prepositional phrases-Ⅱ

27 Reported speech: statements

28 Reported speech: questions and requests

29 Relative clauses

30 Joining sentences-Ⅰ

31 Joining sentence-Ⅱ

32 Word order

Grammar Summaries

Communication Activities

Acknowledgments

Index