we can only get into the house if we have a key

->unless...we have a key we can't get into the house

Vũ Trung Đức

Đối với IF câu khẳng định => Unless Khẳng định (động từ ở mệnh đề chính sẽ được chuyển sang phủ định).

Đối với IF câu phủ định => Unless Khẳng định (mệnh đề chính sẽ không có sự thay đổi).

Có người trả lời câu này rồi nhé ạ

He plays basketball very well

-> He's a good basketball player

He studies well

->He's a good student

We get lost because we don't have a map

->If we had a map, we wouldn't get lost

Because i'm sick, i can't go out

->If I weren't sick, I could go out

Mary misses the bus because she doesn't get->get up early

->If Mary got up early, she wouldn't miss the bus

He plays basketball very well
=> He's a good basketball player.
He studies well
=> He's a good student.
We get lost because we don't have a map
=> If we had a map, we didn't get lost.
Because i'm sick, i can't go out
=> If I wasn't sick, I could go out.
Mary misses the bus because she doesn't get early
=> If Mary got up early, she won't miss the train.

1) Unless it stops raining, we won't go out.  ---> If it stops raining, we will go out

2) She cooked better than you did. ---> You didn't cook as well as her

3) Unless someone has a key, we can't get into the house. ---> We can only get into the house if someone has a key

4) We didn't go on holiday because we didn't have enough time  

1. If it doesn't stop raining, we won't go out.

2. You didn't cook as well as her.

3. We can only get into the house if someone has a key.

4. If we had had enough money, we would have gone on holiday.

5. My father allowed me to use his car.

6. Researchers on AIDS began to be carried out by scientists in 1980. 

“ I couldn’t get int o the house because I had lost my key”
A. He said he couldn’t get into the house because he had lost my key.
B. He said he hadn’t been able to get into the house because he had lost his key. : đây là câu gián tiếp nhé, ta có be able to = can
C. He said he had been able to get into the house because he had lost his key.
D. He said he hadn ’t been a ble to get into the house because he lost his key .

B

B

Nếu viết chỉ bằng if thì chỉ có 1 cách thôi nha

1/We dont have a lot of money, so we dont buy a lot of new books

=> If we had a lot of money, we would buy a lot of new books

2/I cannot take a photo of us because I can't find my camera.

=> If I found my camera, I could take a photo of us

3/Ilose the key, so I cannot get into the house.

=> If I didn't lose the key, I could get into the house

4/I am not free today, so we can't go to the beach.

=> If I were free today, we could go to the beach

5/ She doesn't know the answers, so she cant tell you.

=> If she knew the answers, she could tell you

1. I lose the key, so I cannot get into the house.
-> If I didn't lose the key, I could get into the house.
2. They are too young to join the army.
-> They are not old enough to join the army.
3. She won't come unless you invite her
-> If you don't invite her, she won't come.
4. We can't hang the picture on the wall. It is heavy.
-> The picture too heavy to hang on the wall
5. They were tired. They were hungry.
-> They were not only tired but also hungry
6. They finish their work. They went home.
-> Finishing their work then they went home
7. She goes out in the rain. She gets wet.
-> If she didn't go out in the rain, she wouldn't get wet
8. Tom can't lift the table. He isn't strong enough.
-> Tom is too weak to lift the table

1. I lose the key, so I cannot get into the house.
-> If I didn't lose the key , I could get into the house
2. They are too young to join the army.
-> They are not old enough to join the army .
3. She won't come unless you invite her
-> If you don't invite her , she won't come
4. We can't hang the picture on the wall. It is heavy.
-> The picture is too heavy for us to hang on the wall .
5. They were tired. They were hungry.
-> They were not only tired but also hungry .
6. They finish their work. They went home.
-> Finishing their work , then they went home .

7. She goes out in the rain. She gets wet.
-> If she didn't go out , she wouldn't get wet .
8. Tom can't lift the table. He isn't strong enough.
-> Tom isn't strong enough to lift the table