`1.` My sister worked hard, so she completed her examination successfully (because of)

`=>` Because of hard work, my sister completed her examination successfully.

`-` Cấu trúc: Because of+ Cụm DT/ V-ing

`2.` My brother isn't tall enough to play basketball (too)

`=>` My brother is too short to play basketball.

`-` Cấu trúc: Too+ adj: Qúa làm sao (Chỉ sự phủ định)

`3.` He began to live in Hanoi when he was twelve

`=>` He has lived in Ha Noi since he was twelve.

`-` Cấu trúc thì HTHT+ since:

`->` S+ have/ has+ V-ed/ PII+ since+ mốc thời gian/ Qúa khứ đơn

`@`

`1`.Because of working hard , my sister completed her examination succesfully

`\rightarrow` Because of + V-ing / N + Clause : Bởi vì

`=>` Dùng để chỉ nguyên nhân , lý do

`2`.My brother is too short to play basketball

`\rightarrow` S + is / am / are / ... + too adj ( for O ) + to do sth : Quá ... đến nỗi mà ...

`3`.He has lived in Ha Noi since he was twelve

`\rightarrow` Thì HTHT : S + have / has + VpII

`\rightarrow` Since + Mốc thời gian : Bao lâu

`\rightarrow` Đi sau " Since " luôn chia theo thì QKĐ

`\text{# TF}`