`37`.When did you start learning English ?

`\rightarrow` Thì QKĐ ( NV ) : Did + S + V ?

`\rightarrow` S + started / began + V-ing / to V : Bắt đầu làm gì

`38`.It took the students ten minutes to wait for their bus

`\rightarrow` It + takes / took + O + time + to do sth : Tốn thời gian để làm gì

`39`.My uncle will have his car fixed by a mechanic tomorrow

`\rightarrow` BĐ Sai khiến : S + have / get + sth + VpII ( by O )

`40`.Mrs.Thu suggested that the children should be taught how to cope with an emergency

`\rightarrow` S + suggest + ( that ) + S + ( should ) + V : Đề nghị / Gợi ý

`\rightarrow` BĐ `-` Should : S + should be + VpII ( by O )

`\text{# Eternal}`