`1` Sarah works in a company which make bikes .

`-` HTD : `(+)` S + V(s,es) + O .

`2` You should avoid starting your essay without analysing the questions first .

`-` S + should + V : Ai nên làm gì .

`1.` Sarah works in a company which makes bike

`-` which `-` thay thế cho danh từ chỉ vật

`-` N(thing) + which + V + O| N+  V

`-` HTĐ: `(+)` S + V(s/es) + O

`2.` You should avoid answering your essay without analysing question first

`-` should do sth : nên làm gì

`-` avoid + V_ing : tránh làm gì

`-` without doing sth : không có , không với.