$@dream$

`1,` Aid is being sent to the flood victims by the goverment now.

- "now" là dấu hiệu nhận biết thì hiện tại tiếp diễn.

- send - sent - sent: gửi

`2,` The city was struck by the earthquake last night.

- "last night" là dấu hiệu nhận biết thì quá khứ đơn.

- strike - struck - struck: đánh, đập

`3,` All houses were destroyed completely in Quang Ngai by the storm last night.

`4,` The accurate victims can't be estimated up to now.

- No one mang nghĩ phủ định `=>` Câu phủ định.

`5,` We are picked up at the airport by the taxi at 9p.m.

`6,` Our car is going to be serviced by a mechanic tomorrow morning.

`7,` Debris was scattered across the coundtryside by the strong winds.

`8,` Natural disasters will be predicted accurately with the help of technology.

`9,` I think these plastic carrier bags should be recycled.

`10,` A state of emergency following the earthquake has been declared by the goverment.

`11,` When were you visited by your grandma?

`12,` (câu không có tân ngữ nên không thể chuyển thành bị động)

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Bị động:

- Thì hiện tại đơn: S + am/ is/ are + (not) + p.p + (by O).

- Thì hiện tại tiếp diễn: S + am/ is/ are + (not) + being + p.p + (by O).

- Thì hiện tại hoàn thành: S + have/ has + (not) + been + p.p + (by O).

- Thì quá khứ đơn:

(+) S + was/ were + p.p + (by O).

(-) S + was/ were + not + p.p + (by O).

(?) Was/ were + S + p.p + (by O)?

- Thì tương lai đơn: S + will (not) + be + p.p + (by O).

- Thì tương lai gần: S + am/ is/ are + going to be + p.p + (by O).

- Động từ khuyết thiếu: S + ĐTKT (not) + be + p.p + (by O).