Giúp mik vs

1. He spends all his free time doing DIY.

⇔ S + spend time + V-ing [ dành thời gian vào việc gì ]

2. You should buy a doll for her on her birthday. 

⇔ Should + V [ nên làm gì ]

3. I was sick, therefore; I couldn't go to school.

⇔ Therefore= so: do đó, vì vậy [ đều đứng ở giữa câu ]

⇒ Therefore ( có dấu "," hoặc dấu "." ở trước, có dấu ";" ở sau )

⇒ So ( có dấu "," ở trước )

4. Although the girl worked hard, her step mother wasn't happy.

⇔ Although + S + V ( mặc dù...) [ đứng ở đầu hoặc giữa câu ]

5. Coffee is not as cheap as tea.

⇔ So sánh bằng: S + be + as + adj + as + O

6. Huong Tram's performance is very beautiful.

⇔ Buổi biểu diễn của Huong Tram rất đẹp.

7. If we have pizza for lunch, we won't be hungry.

⇔ If + Simple Present, Subject + will/won't + V

9. Unless I know her phone number, I won't be able to call her.

⇒ Unless= If not

⇔ Unless + S + V ( simple present ), S +will/can/shall + V

10. Where do ethnic groups in Viet Nam often live?

⇔ Wh + trợ động từ + S + V?

`color {violet}{#0209}`

`1` He spends all his free time doing DIY.
`->` S + spend time + V-ing: dành thời gian cho việc gì đó
`2` You should buy a doll for her on her birthday. 
`->` Should + V-inf: nên làm gì
`3` I was sick, therefore; I couldn't go to school.
`->` therefore: vì vậy
`->` S + V; therefore, S + V
`4` Although the girl worked hard, her step mother wasn't happy.
`->` although: mặc dù
`->` Although + S + V, S + V
`5` Coffee is not as cheap as tea.
`->` ssánh bằng: S + be + as + adj + as + O
`6` Huong Tram's performance is very beautiful.
`7` If we have pizza for lunch, we won't be hungry.
`->` điều kiện loại `1`: If + S + V(htd), S + will/can/may + not + V-inf
`9` Unless I know her phone number, I won't be able to call her.
`->` unless: nếu không
`->`  S + V(htd), S + will/can/shall + V-inf
`10` Where do ethnic groups in Viet Nam often live?
`->` WH + trợ động từ + S + V?