Lý thuyết và bài tập Tiếng Anh Lớp 6 - Conditional type 1 (Câu điều kiện loại 1)

CONDITIONAL TYPE 1 (CÂU ĐIỀU KIỆN LOẠI 1)
I. Công thức
If + S + V (hiện tại đơn) , S + will/shall/can/may/should/động từ khuyết thiếu + V (nt)
* Cách dùng câu điều kiện loại 1
- Diễn tả một hành động, sự việc có thể xảy ra ở hiện tại hoặc tương lai
- Có thể sử dụng để đề nghị và gợi ý
- Dùng để cảnh báo hoặc đe dọa
Ví dụ: If I tell her everything, she will know how much I love her.
If it rains, we will not go to the cinema.
* Lưu ý
- Mệnh đề của if là mệnh đề điều kiện, mệnh đề còn lại là mệnh đề chính
- Trong câu điều kiện phải có dấu phẩy (,) để ngăn cách giữa hai mệnh đề
- Unless = If not
II. Dạng đảo ngữ câu điều kiện loại 1
Should + S + V (nt) , S + will/shall/can/may/should/ động từ khuyết thiếu + V (nt)
Ví dụ: If I tell her everything, she will know how much I love her.
ó Should I tell her everything, she will know how much I love her
* Lưu ý
- Bất kể là chủ ngữ số ít hay số nhiều thì ở dạng đảo ngữ động từ ở dạng V(nt)
- Trong câu điều kiện phải có dấu phẩy (,) để ngăn cách giữa hai mệnh đề
III. Cách viết lại câu điều kiện loại 1
V(nt) + + and + S + động từ khuyết thiếu + V(nt) + 
 If you + V(nt) + , S + động từ khuyết thiếu + V(nt) + 
VD: Pay attention to the lesson and you will understand it.
 If you pay attention to the lesson, you will understand it.
V(nt) + + or/otherwise + S + động từ khuyết thiếu + V(nt) + 
 If you + don’t +V(nt) + , S + động từ khuyết thiếu + V(nt) + 
VD: Get out or I will call the police
 If you do not get out, I will call the police Bài 1: Chia động từ
1) If I study, I (pass) __________the exams.
2) Should the sun (not, shine) __________, we will walk stay at home.
3) If he (have) __________ a temperature, he can see the doctor.
4) If my friends come, I (be) __________ very happy.
5) Should she (earn) __________ a lot of money, she will fly to New York.
6) If we travel to London, we (visit) __________ the museums.
7) If you (wear) __________ sandals in the mountains, you can slip on the rocks.
8) Should Rita (forget) __________ her homework, the teacher will give her a low mark.
9) If they (not, study) __________ hard, they will false the exam.
10) Unless Nam (go) __________ home early, his mother will fine him
if we meet at 9:30, we (have) _________________plenty of time.
If you (find) _________________ a skeleton in the cellar, you won’t mention it to anyone.
The zookeeper will punish her with a fine if she (feed) _____________ the animals..
If you pass your examination, we (have) _________________a celebration.
Lisa will find the milk if she (look) _________________ for it in the fridge.
What (happen) _________________if I press this button?
The door will be unlocked if you (press)_________________ the green button.
If you go to Paris, where you (stay) _________________?
If you (swim) _________________ in this lake, you’ll shiver from cold.
If someone offer to buy you one of those rings, which you (choose) _________________?
The flight may be cancelled if the fog (get) _________________thick.
If the milkman (come) _________________, tell him to leave two pints.
Someone (sit) _________________on your glasses if you leave them there.
You will hear my explanation if you (not talk) _________________so much.
What I (do) _______________if I hear the burglar alarm?
If you (read) ___________the instructions carefully, you won’t answer the wrong question.
I will repair the roof myself if I (have) _________________a long ladder.
Unless they turn that radio off, I (go) _________________mad.
We’ll have a long way to walk if we (run) _________________out of petrol here.
If you shake that bottle of port, it (not be) _________________ fit to drink.
If you speak louder, your classmates (understand) _________________ you.
I’ll probably get lost unless he (come) _________________with me.
You (not have) _________________ so many accidents if you drive more slowly.
If she (leave) _________________ the fish here, the cat will eat it.
Unless you (tell) __________________ the truth, I won’t help you.
You’ll get pneumonia if you (not change) _________________ your wet clothes.
If I know that you can’t eat octopus, I (not buy) _________________ it.
She (be) _________________able to walk faster if she doesn’t have such high-heel shoes.
David will leave for Rent tomorrow if the weather _____ (be) fine.
What will you do if you _____ (not / go) away for the weekend ?
The game _____ (start) if you put a coin in the slot.
If you _____ (be) scared of spiders, don’t go into the garden.
We’ll have to go without John if he ( not arrive) _____soon.
Please don’t disturb him if he_____ (be) busy.
If she _____ (accept) your card and roses, things will be very much hopeful.
If a holiday_____ (fall) on a weekend, go to the beach.
If she (come) _____ late again, she’ll lose her job.
If he (wash) _____my car, I’ll give him $20.
He’ll be late for the train if he (not start) _____ at once.
If I lend you $100, when you (repay) _____me?
Unless I have a quiet room I (not be able) _____to do any work.
If we leave the car here, it (not be) _____ in anybody’s way.
Someone (steal) _____ your car if you leave it unlocked.
Unless he (sell) _____more, he won’t get much commission.
If you come late, they (not let) _____you in.
If you (not go) _____away I’ll send for the police.
If he _____ (eat) all that, he will be ill.
What _____ (happen) if my parachute does not open?
Bài 2: Viết lại câu
1. Turn off all the lights and you will not pay more money.
If ..........................................................................................................
2. Unless she wears warm clothes, she will have a cold.
If ..........................................................................................................
3. Be careful or you may have an accident.
If ..........................................................................................................
4. phone your parents or you have a trouble.
If ..........................................................................................................
5. Unless she whispers, everyone knows what she is saying.
If ..........................................................................................................
6. Stay here and you will feel save.
If ..........................................................................................................
7. Pay electricity bill today or your electricity will be cut off.
If ..........................................................................................................
8. Stop smoking otherwise your cough may be worse.
If ..........................................................................................................
9. Unless we use less fossil fuel, they will be run out soon.
If ..........................................................................................................
10. Unless it stops raining today, we may be faced with a serious flood.
If ..........................................................................................................
11. Do morning exercises regularly, your body will be fitter.
If ..........................................................................................................
12. Unless we renewable energy, we will have nothing for the future generation.
If ..........................................................................................................
13. The climate will change unless we reduce the use of non-renewable energy.
If ..........................................................................................................
14. Lock all the doors and noone can break into your house.
If ..........................................................................................................
15. Unless we continue hunting polar bears, they will become extinct in near future.
If ..........................................................................................................
16.Vegetarians don't eat meat.
If you're a vegetarian, _____________________________
17. Teachers must work very hard.
If you're a teacher, _______________________________
18. Mechanics understand engines.
If you're a ______________________________________
19. Study hard or you will get bad mark.
If ______________________________________
20. Study hard and you will get good mark.
If ______________________________________
21. If it is warm tomorrow, we will have a picnic.
Should ...............................................................................................
22. If your cold becomes worse, you must see the doctor.
Should ...............................................................................................
23. Take part in the English club and your speaking skill will be improved.
Should ...............................................................................................
24. Keep your feet dry or you will have a cold.
Should ...............................................................................................
25. If you want to go out tonight, make up your room.
Should ...............................................................................................
26. I'll be very angry if he makes more mistakes.
Should ...............................................................................................
27. If you leave your house unlocked, It will be broken into.
Should ...............................................................................................
28. If she forget her book, she can share with me.
Should ...............................................................................................
29. Turn down the radio or you will wake the baby up.
Should ...............................................................................................
30. If you are asked to sing an english song, what will you do?
Should ...............................................................................................
31. If he asks to bring hot water, tell him to wait for five munites.
Should ...............................................................................................
32. Keep silent or you’ll wake the baby up.
→ If ..... . .
33. Stop talking or you won’t understand the lesson.
→ If ..... . .
34. If she comes, I will give her a flower
Should 
35. If I don’t come here early, I will miss the bus.
→Unless 
36. If he doesn’t do that, he will get bonus.
→Unless 
37. If she doesn’t water these trees, they will die
→Unless 
38. If you don’t leave the office, I will call the police.
 or 
39. You can’t visit Paris unless you get a visa.
If 
40. If I don’t come here early, I will miss the bus.
→Should 
41. You can’t visit Paris unless you get a visa.
Should