`13`.Miss Borne told us to be more careful when we did those Maths exercises

`->` Tường thuật dạng Mệnh lệnh `-` Lời khuyên :

`=>` S + asked / told / ... + O + ( not ) to do sth

`->` HTĐ `->` QKĐ : S + Ved / V2

`14`.Minh wondered if most teenagers had found it difficult to communicate with their parents

`->` Tường thuật NV ( Yes / No ) :

`=>` S + wondered / wanted to know + if / whether + S + V ( lùi thì )

`->` QKĐ `->` QKHT : S + had + VpII

`\text{# TF}`

`13.` Miss Borne told us to be more careful when we did those maths exercise.

`-` Câu tường thuật dạng câu mệnh lệnh

`->` S + told + O + (not) + to do sth: bảo ai (không được) làm gì 

`-` Thì HTD (do) `->` Thì QKD (Did) 

`-` these `->` those 

`14.` Minh wondered if most teenagers had found it difficult to communicate with their parents. 

`-` Câu tường thuật dạng Yes or No questions

`->` Cấu trúc: S + asked (sb)/wanted to know/wondered/... + if/whether + S + V lùi thì 

`-` Thì QKD `->` Thì QKHT (had + VpII)