1. They suggest the poor should be helped the poor families during the covid pandemic .

`-` Cấu trúc : S + suggest + (that) + S + V ( should + Vinf ).

`-` "The poor" - không thể tự hoạt động nên đưa vào bị động

`-` Bị động ĐTKT : S + should + be + V3

2.  It's important to keep the environment clean.

`-`Ving + S + adj `=` It's + adj + to V + O... : thật là như thế nào khi làm gì

3. The teacher suggests that the students should to have a good english dictionary .

`-` It is necessary (+ for somebody) + to V

`=` S + suggest + (that) + S + V ( should Vinf )

5. Because John smoked cigarettes , John  got a bad cough.

`-` Because + S + V,S + V

`=` Because of + N/Ving : bởi vì...

`1.` They suggest the poor families be helped by the government in covid pandemic

`-` Bị động suggest:

S + suggest + S + (should) + be + V3/ed +  (by + O)

`2.` It's important to keep the environment clean

`-` V_ing +... + tobe + adj

`=` It's + adj + to_V + O

`3.` The teacher suggests that the students should have a good English dictionary

`-` S + suggest + that + S + (should) + V_inf + O

`->` đề nghị, gợi ý ai làm gì

`4.` Because John smoked cigerattes, he got a bad cough

`-` because of + N/V_Ing, S + V + O

`=` Because + S + V + O, S + V + O

`->` bởi vì.