`1` They decided to get a cat though their son is allergetic to animals

`->` Cấu trúc : Though + S + V + ...

`2`  He will stay in England for two months more in order that he can perfect his English

`->` Cấu trúc : Mệnh đề + so that/in order that + S + can/could/will/would + V 

`3` We have to go shopping today as there is nothing to eat.

`->` As được theo sau bởi một mệnh đề (với đủ chủ ngữ và vị ngữ)

`4` When I go to Hue next week, I will stay with my aunt and uncle.

`->` Cấu trúc : When + S + V(+s/es) + ... , S + will + V-inf

`5` Mai studied hard for the exam so that she could have good marks

`->` Cấu trúc : Mệnh đề + so that/in order that + S + can/could/will/would + V 

`6` We need an umbrella since it is raining heavily outside

`->` Cấu trúc : Since + S + V : bởi vì...

`7` Nick will visit some craft villages after he finishes the Vietnamese course

`->` Cấu trúc : S + will + V + after + S + V(+s/es) + ...

`8` We decided to go for a walk in the park although it was very cold out

`->` Cấu trúc : S + V + although + S + V

`9` The tourists went to Van Phuc village because they wanted to buy some silk

`->` Cấu trúc : Because + S + V : bởi vì ..

`10` They won't buy the new car until they save enough money

`->` Cấu trúc : Simple future + Until + Present simple/Present perfect

=>
1. They decided to get a cat though their son is allergetic to animals.
-> though S V : mặc dù
2. He will stay in England for two months more in order that he can perfect his English.
-> in order that (chỉ mục đích : để)
3. We have to go shopping today as there is nothing to eat.
-> as ~ because 
4. When I go to Hue next week, I will stay with my aunt and uncle.
-> when HTĐ, TLĐ
5. Mai studied hard for the exam so that she could have good marks.
-> so that ~ in order that
6. We need an umbrella since it is raining heavily outside.
-> since ~ because
7. Nick will visit some craft villages after he finishes the Vietnamese course.
-> after : sau khi
8. We decided to go for a walk in the park although it was very cold out.
-> although : mặc dù
9. The tourists went to Van Phuc village because they wanted to buy some silk.
-> because : bởi vì
10. They won't buy the new car until they save enough money.
-> until : cho đến khi