I. Put the verbs in the right tense or form :
1. learned
2. don't have
3. attend
4. will die
5. doesn't have
6. weren't
7. will be cleaned
8. weren't
Câu điều kiện loại 1: [If + thì hiện tại đơn], [will + động từ nguyên mẫu]
Câu điều kiện loại 2: [If + thì quá khứ đơn], [would + động từ nguyên mẫu]
Câu điều kiện loại 3: [If + thì quá khứ hoàn thành], [would + have + V3/V-ed]
II. Join each of the following sentences :
1. i told a joke but:nhưng nobody laughed
2. You must study harder or: hoặc là you will go into another class
3. The city suffer from air pollution and : và water pollution
4. I knew her family so: vì vậy I did what I could for her
5. We can't afford energy-saving light bulbs because: bởi vì they are too expensive
III. Finish the second sentences :
1. That tree was planted five years ago
Câu bị động : S + was/were + PP +(by +O).
2. My family has their roses watered everyday
to HAVE/GET something DONE :Nhờ ai đó làm gì
3. He's going to ask someone to decorate his room with some new furniture
to ask sb to do sth : yêu cầu ai làm gì
4. I suggest using gas instead of burning coal
S + suggest + Ving : gợi ý làm gì
5. Because Tom was lazy, he failed the exam
Because + S +V / Because of +N/Ving : bởi vì