`1.` I wish I could play the piano.

`->` Câu ước ở tương lai: S + wish (s/es) + S + would/could + V

`2.` Jeans are sold all over the world.

`->` Bị động HTĐ: am/is/are + Vpp + (by O)

`3.` This work can be done (by us).

`->` Bị động với ĐTKT: can + be + Vpp + (by O)

`4.` A new school has been built this year.

`->` Bị động HTHT: have/has + been + Vpp + (by O)

`5.` Hoa should be invited to the party (by you).

`->` Bị động với ĐTKT: should + be + Vpp + (by O)

1. I wish I could play the piano

*Cấu trúc wish ở thì hiện tại

Động từ thường: 

S + wish/ wishes + S + V_ed/ V2

S + wish/ wishes + S + didn't + V_inf

Động từ to be:

S + wish/ wishes + S + was/ were + (not) ...

2. Jeans are sold all over the world

3. This work can be done 

4. A new school has been built this year

5. Hoa should be invited to the party by you

QKĐ: S + was/ were + PP + (by O)

HTĐ: S + am/ is/ are + PP + (by O)

HTTD: S + am/ is/ are + being + PP + (by O)

HTHT: S + have/ has + been + PP+ (by O)

TLĐ: S + will be + PP + (by O)

TLG: S + is/ am/ are + going to + be + PP + (by O)

S + modal verb (should, must, have to, can,...) + be + PP + (by O)