Câu bị động ( Thì HTĐ `-` QKĐ `-` TLĐ `-` ĐTKT ) :

`-` Thì HTĐ : S + be + V3 / PII ( by O )

`-` Thì QKĐ : S + was / were + V3 / PII ( by O )

`-` Thì TLĐ : S + will be + V3 / PII ( by O )

`-` ĐTKT : S + ĐTKT + be + V3 / PII ( by O )

`I`.

`1`.The room must be cleaned everyday

`2`.How is English learnt ?

`3`.I will be collected at the airport by Peter

`4`.We are taught how to speak English properly by Mr.Robinson

`5`.This form must be signed by your teacher

`6`.Football is played all over the world

`7`.A class discussion will be held by our form teacher next Monday

`8`.Will she be invited to your birthday party ?

`9`.Jeans can't be worn at work

`10`.Are French and English spoken in Canada ?

`II`.

`1`.The poem " A visit from Saint Nicholas " was written by Clement Clarke Moore

`2`.Christmas were performed for people in town

`3`.Children were given presents by Santa Claus on Christmas Eve

`4`.The Christmas tree was decorated with colored lights by my father

`5`.I was taught to draw the Christmas cards by Miss Hung

`6`.Liz was invited to the rice-cooking festival by Ba

`7`.The festival was held in the communal house yard 

`8`.The first prize was awarded to the Mekong team by the council leader

`\text{@ TheFox}`