14. They use electricity to catch fish

I suggest that they shouldn't use electricity to cath fish.

18. He is having a toothache

I suggest that he should go to the dentist.

19. He want to go to Australia for studying

I suggest that he shouldn't go to Australia for studying.

20. They use too much coal, gas and oil.

I suggest they shouldn't use too much coal,gas and oil.

Cấu trúc: 

suggest+Ving

suggest that+1 mệnh đề(S+V)

=>gợi ý ai đó làm gì.

i suggest they shouldn't use eletricity to catch fish

i suggest that he should go to austraulia for studying

i suggest that they shouldn't use too much coal , gas , oil

mình ghi hết công thức của suggest ra luôn nha bn

Cấu trúc suggest + [danh từ/ cụm danh từ] + (to somebody)

Cấu trúc suggest + [V-ing/ danh động từ] 

Cấu trúc suggest + (that) + [mệnh đề]

ấu trúc suggest + [câu hỏi wh-]