1.        I do not often write to my friends because I am so busy with my work.

…………If I weren't so busy with my work, I would write to my friends …………………………………………………………………………………………

2.        Nick can’t find the way because he does not have a map.

………………If Nick had a map, he could find the way,……………………………………………………………………………………

3.        I don’t have a dictionary, so I can’t look the words up.

……………If I had a dictionary, I could look the words up. ………………………………………………………………………………………

4.        Don’t be impatient, or you will make regrettable mistakes.

…………………If you are impatient, you will make regrettable mistakes. …………………………………………………………………………………

IX. Write sentences, using the words given.

1. Phong/ eat/ lots of/ junk food/ so/ he/ putting/ weight. 

Phong eats lots of junk food, so he is putting on weight.

2. I/ exercise/ daily/ because/ I/ want/ stay/ healthy.  

I do exercise daily because I want to stay healthy.

3. Sitting/ too/ close/ the TV/ hurt/ your eyes.  

Sitting too close to the TV hurts your eyes.

4. She/ often/ take/ paracetamol/ if/ she/ get / bad/ headache. 

She often takes paracetamol if she gets a bad headache.

5. how many calories/ you/ bum/ do/ aerobics/ 2 hours?  

How many calories do you burn after doing aerobics in 2 hours?

6. getting/ enough/ sleep/ help/ students/ do/ their best/ the classroom.

Getting enough sleep helps students to do their best in the classroom.

1. I couldn't bring my homework because my dog ate my homework

2. Because I am too busy, I don't exercise (Câu này lạ)

3. Because I have too much homework, I go to bed late

4. Because I can't give up smoking, I will put on weight.

5. I lost my friend's book because I was careless.

6. I'm not going to go to the beach because I have to take an exam.

1. You should not eat so many sweet thing

2. You should set the alarm clock.

3. You should do more exercise

4. You should stay at home

5. You should go to the doctor's

6. You should see a doctor

7. You should ask him for it

8. You should work in a group

6. You should see a doctor

3. You should do more exercise

1. You should not eat so many sweet thing

1. My sister/ like/ collect/ stamps/so/ she/ have/ big/ stamp collection.

My sister likes collecting stamps so she has a big stamps collection

2. They/ like/ go/ the bookstore.

They like going to the bookstore

3. my friends/ I/ will/ camping/ weekend.

My friends and I will go camping on weekend

4. Nga/ often/ read/ book/ before/ go/ bed.

Nga often reads book before going to bed

5. She/ think/ read books/ interesting/ useful.

She thinks reading books is interesting and useful

6. How/ your father/ go/ work?

How does your father go to work

7. She/ love/ read/ book.

She loves reading book

8. They/ often/ go/ park.

They often go to the park

cau 1 : rewrite the following sentences

1 she does not work hard , so she does not get good marks

>> if ......she didn't work hard, she wouldn't get good marks.....

2 i am so busy , so i do not write to my friends regularly

>> if i .........weren't busy, i would write to my friends regularly.......

3 i do not know his address , so i can write to him

>> if i .........knew his address, i could [...] .........

(câu này nghĩa có vấn đề: không biết địa chỉ => KHÔNGthể viết thư chứ)

4 the last time she went out him was 9 months ago

>> it is ......9 months since she went out him.........

5 mr. jackson is old , but he runs ten miles before breakfast

>> although ......Mr. Jackson is old, he runs ten miles before breakfast......

6 we can not go to a trip because we are very busy

>> if we .......weren't busy, we could go to a trip.....

7 mekong is the longest river in indochina

>> no river ..........in indochina is longer than Mekong ........

8 hue is not as big as hcm city

>> hcm city .....is bigger than Hue..................

9 please stop complaining about the heat now

>> i wish you .......you stopped complaining about the heat now.........

10 the children enjoy eating ice-cream

>> the children are ........interested in eating ice-cream.........

11 i am quite tall but you are taller

>> i am not ...........taller than you......

12 remember to check your luggage

>> do not .......forget to check your luggage..........

13 he is handsome but she does not trust him

>> even though ......he is handsome, she doesn't trust him.........

(nghĩa câu 13 kì kì, vẻ ngoài thì có liên quan gì đến sự tín nhiệm??)

 I.COMPLETE THE SENTENCES USING THE GIVEN WORDS

1. If you have an ___e-book reader____, you don't have to bring all those heavy books in your bag.  

2. Can I use a ______correction pen_____ to cover errors in my writing?  

3. A normal printer is more ____economical_______ than a 3-D printer.  4. You should use this pair of _____earbuds__________, others won't be able to hear it.  5. A ______digital camera_________ allows us to view and edit photos easily.  6. Don't worry. This is a ____handheld_ _____, so it's quite small and light.  

1.People don't trust him because he tells lies.

->If he.........didn't tell lies, people would trust him................................

2.She is so busy that she can't come to the party

->If she ........weren't so busy, she could come to the party............................

3.I haven't got the money , so I'm not going on holiday.

->If I.....had got the money, I would be going on holiday.....................

4.He often gets bad marks because he is lazy

->If ........he weren't lazy, he wouldn't often get bad marks.......................................

5.Do it now,or you will not finish it on time

->If........you don't do it now, you won't finish it on time....................

6.Hurry up,or we will ba->be late for the exam

->If......we don't hurry up, we will be late for the exam.................................

7.Be quiet ,or you will not understand the lesson

->If........you aren't quiet, you won't understand the lesson........................

8.I'm not a doctor , so I can't help you

->If......I were a doctor, I could help you....................

9.They do not understand you because you do not often talk to them

->If.........you often talked to them, they would understand you....................

10.I'm so busy , so I don't write to my friends regularly

->If I....weren't so busy, I would write to my friends regularly................................

11.The office may be closed, so Mark won't be able to get in

->If the office.....isn't closed, Mark will be able to get in(Tham khảo c11)......................

12.You can't look the word up because you haven't got a dictionary

->If.........you had got a dictionary, you could look the world up................

-Câu điều kiện loại 1 diễn tả điều có thể xảy ra ở hiện tại hoặc tương lai

-Cấu trúc: If+S+V(hiện tại đơn), S+will/can/may+V(infinitive)