`1`.If I had enough money , I could buy this motorbike

`\rightarrow` CĐK Loại 2 :

`-` If - clause : Thì QKĐ : S + Ved / V2

`-` Main - clause : Thì TLTQK : S + would + V

`2`.Although they were tired , they tried to finish their work

`\rightarrow` Although + C1 + C2 : Mặc dù

`3`.Because it was rainy , I couldn't travel fast

`\rightarrow` Because + C1 + C2 : Bởi vì

`4`.Food and blankets were sent to homeless people by volunteers

`\rightarrow` Câu bị động `-` Thì QKĐ : S + was / were + V3 / PII ( by O )

`5`.Before he did the homework , he had had dinner

`\rightarrow` Before + S + Ved / V2 , S + had + V3 / PII

`6`.Aquatic life suffers or dies because of thermal pollution

`\rightarrow` Because of + N phrase + Clause : Bởi vì

`7`.If you plant more trees , the air won't be seriously polluted

`\rightarrow` CĐK Loại 1 :

`-` If - clause : Thì HTĐ : S + Vs / es / không s , es

`-` Main - clause : Thì TLĐ : S + will + V

`8`.Mai spent 2 years studying English in London , so she speaks English very fluently

`\rightarrow` So dùng để chỉ kết quả

`9`.Was the whole village destroyed by the storm ?

`\rightarrow` Câu bị động `-` Thì QKĐ : S + was / were + V3 / PII ( by O )

`10`.English is spoken in the world

`\rightarrow` Câu bị động `-` Thì HTĐ : S + be + V3 / PII ( by O )

`\text{@ TheFox}`