`28`. Traffic rules should be obeyed strictly by road users.

- Câu bị động với "should": S + should be + Vpp

`29`. If you are careful, you won't hurt yourself.

= If you are not careful, you will hurt yourself.

- If 1: If + S1 + V(s/es), S2 + will/can + Vinf 

`30`. Although I was tired last night, I stayed up late to watch a game show.

- Although + S + V : mặc dù 

- However + S + V : tuy nhiên 

`28.`Road users should obey traffic rules strictly.

→Traffic rules should be obeyed strictly by road users.

Cấu trúc:S+động từ khuyết thiếu(should,can,...)+V+O

→S(o)+động từ khuyết thiếu(should,can,...)+be+V(pII)+(by+O(s))

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