câu 1 lm mẫu, lm câu 2,3,4,5 thôi

2. If we reuse bottles, we will save a lot of money.

3. If we use recycled paper, we will save trees.

4. If we plant trees in the school yard, the school will be a greener place.

5. If there is a rubbish bin in every class, the classroom will be cleaner.

1.If you burn rubbish, you will produce harmful smoke.

2.If we use reusable bottle, we will save a lot of money.

3.If we use recycled paper, we will save trees.

4.If they plant trees in the schoolyard, their school will be a greener place.

5. If there is rubbish bin in every classroom, the classroom will be cleaner.

6.If you forget all the time, you will have to pay a lot of money for electricity.

7.If we throw rubbish into the river, it will be polluted.

8.If there are many factories here, the air will be polluted.

9.If we grow flowers and vegetables, our house will be cleaner and more beautiful

87. The more trees we plant, the greener our planet is.

A. If we plant more trees, our planet will be a greener place.

B. Unless we plant more trees, our planet will be a greener place.

C. If we plant more trees, our planet won’t be a greener place.

D. If we planted more trees, our planet will be a greener place.

88. Anna’s flute performance was very good at the party.

A. Anna performed play flute very good at the party.

B. Anna performed playing flute very good at the party.

C. Anna performed playing flute very well at the party.

D. Anna performed flute very good at the party.

1. If/you/burn rubbish/you/produce harmful smoke

-> If you burn rubbish, you will produce harmful smoke 

2.If/we/reuse bottles/we/save a lot of money

-> If we reuse bottles, we will save a lot of money 

3. If/students/use recycled paper/they/save/trees

-> if students use recycled paper, they will save the trees

4. If/students/plant trees in the schoolyard/their school/greener place

-> if students plant trees in the school yard, their school will be a greener place

1. If/you/burn rubbish/you/produce harmful smoke

-> If you burn rubbish, you will produce harmful smoke 

2.If/we/reuse bottles/we/save a lot of money

-> If we reuse bottles, we will save a lot of money 

3. If/students/use recycled paper/they/save/trees

-> if students use recycled paper, they will save the trees

4. If/students/plant trees in the schoolyard/their school/greener place

-> if students plant trees in the school yard, their school will be a greener place

Rearrange the words and phrases to make meaningful sentences.
1. when / turn off / don't / you / them / the lights / use
=>.....Turn off the lights when you don't use them.
2. students / greener place / if / the school yard / will / plant / in / a / more trees / their school / be
=>..The school yard will be a greener place if students plant more trees in their school.
3. the air / will have / if / we / have / breathing problems / cleaner / is / less
=> We will have breathing problems if the air is less cleaner.
4. children / able to / robots / help / do / teaching / will / their homework / be
=> Robots will be able to help teaching chidren their homework.

Tham khảo 

1 if / burn rubbish, /produce harmful smoke .

⇒⇒If you burn rubbish, you will produce harmful smoke.

2 if / reuse bottles, /save a lot of money.

⇒⇒If you reuse these bottles , you will save a lot of money.

3 if/use recy cled paper , /save/trees.

⇒⇒If student use recycled paper,they will save a lot of trees.

4 if / plant trees in the schoolyard,/school/greener place.

⇒⇒If student plant trees in the schoolyard,their school will be a greener place.

5 if / rubbish bin in every class , / classrom / cleaner.

⇒⇒If there is a rubbish bin in every class,the classroom will be cleaner.

Cấu trúc ĐKL1: If + S + V0/s/es + V , S + will/shall + V + TPP

1. If we burn rubbish, it will produce harmful smoke

2, If i reuse bottles, we will save alot of money

4, If we plant trees in the school yard , school will be the greener place

5,  If rubbish bin in every class , classroom will be cleaner

Chào em, em tham khảo nhé!

1.If/burn rubbish,/produce harmful smoke. => If we burn rubbish, it will produce harmful smoke.

2.If/reuse bottles,/save a lot of money. => If we reuse bottles, we will save a lot of money.

3.If/use recycled paper,/save/trees. => If we use recycled paper, we will save trees.

4.If/plant trees in the schoolyard,/school/greener place. => If we plant trees in the school yard, the school will be a greener place.

5.If/rubbish bin in every class,/classroom/cleaner. => If there is a rubbish bin in every class, the classroom will be cleaner.

Chúc em học tốt và có những trải nghiệm tuyệt vời tại olm.vn!

chia hết ở loại 1

1.If we burn rubbish, it will produce harmful smoke

2.If/ we reuse bottles, we will save a lot of money.

3.If we use recycled paper, we will save the trees.

4.If the students and the teachers plant trees in the schoolyard, their school will be a greener place.

5.If there is a rubbish bin in everyclass , the classroom will be cleaner.

Nếu ai trả lời được thì mình sẽ chọn câu trả lời đúng nhất.Nhớ phải viết hoàn chỉnh cả câu.

1.We will plant more trees. The air will be fresh.

If We plant more trees, the air will be fresh.

2.We will use fewer cars. We will reduce pollution.

If we use fewer cars, we will reduce pollution.

3. We will cycle to school every day.We will keep fitter.

If we cycle to school every day, we will keep fitter.

4. We will use recycled products. We will save money.

If we use recycled products, we will save money.

5. People will travel more by public transport. The harmful gases in big cities will be reduced.

If People travel more by public transport, the harmful gases in big cities will be reduced.

1. If we plant more trees, the air will be fresh.

2. If we use fewer cars, we will reduce pollution.

3. If we cycle to school every day, we will keep fitter.

4. If we use recycled products, we will save money.

5. If people travel more by public transport, the harmful gases in big cities will be reduced.

complete sentences:

1. If we .........recycle......... waste paper, we will save a lot of trees.

2. You can save money while shopping by only buying ....what..... you need.

3. what can we do ..........to reduce... air pollution?

4. why do you often forget to......turm off.. the lights when you go out of the classroom?

5 If we plant more trees in the schoolyard, the school will become a....greener..... place.