`1.` I wish my mother was young.

Cấu trúc "wish" ở hiện tại: S + wish(es) + S + V(quá khứ đơn)

`2.` I wish I had a cellphone.

Cấu trúc "wish" ở hiện tại: S + wish(es) + S + V(quá khứ đơn)

`3.` If the pandemic gets more serious, we will stay at home.

Câu điều kiện loại I: If + S + V(hiện tại đơn), S + will/ may/ can... + Vnd

`4.` Unless you wear a mask ,you will be infected with Covid 19.

Unless = if not

`5.` You don't like staying at home, ...do you..... ?

Câu hỏi đuôi: vế trước là phủ định, vế sau là khẳng định

`6.` I suggest staying at home.

Suggest + V-ing: đề nghị làm gì.

1,My mother is old

----> I wish.......my mother were young

2,i don't have a cellphone

--> I wish.......I had a cellphone

3,the pandemic is getting more serious so we have to stay at home

--> If.....we don't stay at home , the pandemic will be getting more serious

 4,If you don't wear a mask ,you will be infected with Covid 19

---> Unless.....you wear a mask , you will be infected with Covid 19

5,You don't like staying at home,..... do you...?

6,Let's stay at home -I suggest.....staying at home