`4`.I had my hair cut by the hairdresser last month

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

`5`.Kathryn Bigelow has been presented with an Oscar by the academy Awards

`\rightarrow` BĐ `-` HTHT : S + have / has + been + VpII ( by O )

`6`.He said that he hadn't checked his mail yet

`\rightarrow` Tường thuật :

`=>` S + said + that + S + V ( lùi thì )

`\rightarrow` HTHT `->` QKHT : S + had + VpII

`7`.Kyle is too young to go to school

`\rightarrow` Too :

`=>` S + is / am / are / ... + too adj ( for O ) + to do sth

`\text{# TF}`

4. I had my haircut last month

- cut my hair = have my haircur = cắt tóc của tôi

5. Kathryn Bigelow has been presented with an oscar by the academy Awards.

- cấu trúc bị động HTHT: S + has/have been + V3/ed (+by sb/O)

6. He said he hadn't checked his email yet.

- cấu trúc câu gián tiếp câu tường thuật: S + said/told + mệnh đề tường thuật

- thì HTHT chuyển sang gián tiếp thành QKHT

7. Kyle is too young to go to school.

- cấu trúc too ... to: S + tobe + too + adj + to + V + ...: ai đó quá .... để làm gì