1. Jack has never visited Hoi An ancient town before. -> This is the first time jack has visited hoi an ancient town

.2 Work hard and we'll make this beach clean and beautiful again. -> If we work hard, we will make this beach clean and beautiful again

3. The students organized a show to raise money for charity yesterday. -> A show was organized to raise money for charity by the students yesterday 

4. "I'm going to spend my summer vacation in the countryside", Huy said. -> Huy said that he was going to spend his summer vacation in the countryside

5. Mary began cooking dinner an hour ago.  Mary has been cooking dinner for an hour

. “Do you often go swimming in the summer, Lan?”, Mai asked.  Mai asked Lan if she often went swimming in the summer

7. Can you clean the floor for me, please?  Would you mind cleaning the floor for me?

8. They should complete the project within a year.  The project should be completed within a year

9 He is the person. He delivers milk to my house everyday. -> He is the person who delivers milk to my house everyday

10. I’m sorry that you can’t understand the instructions clearly. -> I wish you could understand the instructions clearly

CHUC BAN HOC TOT

`1` This is the first time Jack has visited Hoi An ancient town . 

→ S + has/have + never + Vpp + .... + before 

→ This is the first time + S + has/have + Vpp 

`2` If we work hard , we''ll make this beach clan and beautiful again . 

→ Câu ĐK loại 1 : if + S + V(s/es) + O , S + will + V-inf + O 

`3` A show was organized to raise money for charity by the students yesterday . 

→ Bị động thì QKĐ : S + was/were + Vpp + ( by O ) 

`4` Huy said that he was going to spend his summer vacation in the countryside .

→ S + said + (that) + S + V(lùi 1 thì) + O 

`5` Mary has cooked dinner for an hour . 

→ S + started/began + to V/V-ing + when/in/on/... + time 

`6` Mai asked Lan if she often went fishing in the summer . 

→ S + asked + sb + if/whether + S + V(lùi 1 thì) + O 

`7` Would you mind cleaning the floor for me ? 

→ Would you mind + V-ing ? 

`8` The project should be completed within a year . 

→ Bị động của ĐTKT : S + modal verb + be + Vpp + ( by o ) 

`9` He is the person who delivers milk to my house everyday .

→ Mệnh đề quan hệ "who" : thay thế cho danh từ chỉ người(thay thế cho he) 

`10` I wish you could understand this unstructions clearly . 

→ Câu ước trái với thực tế : S + wish + S + could + V-inf + ...