giúp minh chuyen sang cau bi dong voi a

`15.` Has your homework been finished?

`16.` Where is English spoken?

`17.` Who is being kept in the kitchen?

`18.` What time will this English test be finished by Tom?

`19.` How can this safe be opened?

`20.` How was the lost man found by the police?

`1`. Present simple (hiện tại đơn)

`@` S + V(s/es)

`->` S + am/is/are + P2

`2`. Past simple (quá khứ đơn)

`@` S + V-ed

`->` S + was/were + P2

`3`. Present continuous (hiện tại tiếp diễn)

`@` S + am/is/are + V-ing

`->` S + am/is/are + being + P2

`4`. Past continuous (quá khứ tiếp diễn)

`@` S + was/were + V-ing

`->` S + was/were + being + P2

`5`. Present perfect (hiện tại hoàn thành)

`@` S + have/has + P2

`->` S + have/has + been + P2

`6`. Past perfect (quá khứ hoàn thành)

`@` S + had + P2

`->` S+ had + been + P2

`7`. Simple future (tương lai đơn)

`@` S + Will + V-inf

`->` S + will + be + P2

`8`. Near future (tương lai gần)

`@` S + am/is/are + going to + V-inf

`->` S + am/is/are + going to + be + P2

`9`. Modal verbs (động từ khuyết thiếu)

`@` S +modal verbs + V-inf

`->` S +modal verbs + be + P2