`Ex.1`.

`2`.I started going to school when I was seven

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

`3`.My mother has bought two bars of chocolate and a bottle of red wine

`\rightarrow` Thì HTHT : S + have / has + V3 / PII

`4`.The bus was full of people so the driver didn't drive fast

`\rightarrow` Thì QKĐ ( ĐT Tobe ) : S + was / were + adj / n

`\rightarrow` Thì QKĐ ( CPĐ ) : S + didn't + V

`\rightarrow` So dùng để chỉ kết quả

`5`.We have already listened to her album

`\rightarrow` Thì HTHT : S + have / has + V3 / PII

`\rightarrow` Đặc điểm nhận dạng : already

`Ex.2`.

`1`.to stop

`\rightarrow` Decide + to do sth : Quyết định làm gì

`2`.visited

`\rightarrow` Thì QKĐ : S + Ved / V2

`\rightarrow` Đặc điểm nhận dạng : ago

`3`.working

`\rightarrow` be tired of + V-ing : Mệt mỏi vì cái gì

`4`.has broken

`\rightarrow` This is the second time + S + have / has + V3 / PII : Lần thứ 2 làm gì

`5`.Have you done ?

`\rightarrow` Thì HTHT ( CNV ) : Have / Has + S + V3 / PII ?

`\rightarrow` Đặc điểm nhận dạng : yet

`6`.is playing

`\rightarrow` Thì HTTD : S + be + V-ing

`7`.covers

`\rightarrow` Thì HTĐ : S + Vs / es / không s , es

`\text{@ TheFox}`