`1`. If he didn't speak so quickly, I couldn't understand him.

`⇒` Cấu trúc: If + S + didn't + Vo, S + could/would + (not) + Vo

`2`. Smoke from mills, factories and industry can lead to health problems like asthma and lung diseases

`⇒` Cấu trúc: lead to + N

`3`. We don't trust Lan because of her bad behaviour.

`⇒` Cấu trúc: Because of + N/Ving, S + V

`4`. In spite of taking a taxi, he still arrived late for school.

`⇒` Cấu trúc: In spite of + Ving/N, S + V

`⇒` Lưu ý: In spite of + Ving khi cùng chủ ngữ

`1.` If he didn't speak so quickly, i couldn't understand him

`=>` Câu điều kiện laoij 1

`=>` If + S + did + not + V + ...., S + could/would + not + V + ...

`2.` smoke from mills, factories and industry can lead to health problems like asthma and lung diseases

`=>` lead to + N

`=>` lead to: dẫn đến

`3.` we don't trust lan because of her bad behaviour

`=>` Because of + N/Ving, S + V + .... 

`4.` in spite of taking a taxi, he still arrived late for school

`=>` In spite of/despite + N/Ving, S + V + ...