`1`. The wine should be opened about three hours three hours before you use it.

`2`. Steps had been cut in the ice by the previous climbers

`3`.My shoes had been cleaned and my suit had been brushed

`4`.This room is only used on special occasions.

`5`. Nails mustn't be hammered into the walls without permission.

`6`. In some districts pigs are used to find truffles by farmers.

`7`. A light was switched on and the door was opened.

`8`. The picture had been slashed with a knife.

`9`. The old theatre is being pulled down.

`10`. Why wasn't the roof mended before it fell in?

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`\text{ Ta có công thức: }`

`\text{ HTĐ: S + be +V(PII) + .... ( by O ) }`

`\text{ QKĐ: S + was/were+V(PII) + .... ( by O ) }`

`\text{ HTTD: S+ be+ being+ V(PII) + .... ( by O) }`

`\text{ QKTD: S + was/were+being+V(PII)+....(by O ) }`

`\text{ HTHT: S + have/has+been+V(PII)+.... (by O) }`

`\text{ QKHT: S+had+been+V(PII)+....(by O) }`

`\text{ TLĐ : S+will+be+V(PII)+....(by O) }`

`\text{ Động từ khuyết thiếu : S + should/can/... + be+V(PII) + .... (by O) }`

$#FromTha$

CÁC BẠN HÃY CHẤM ĐIỂM VÀ CTLHN CHO MÌNH NHÉ ><

Động từ khiếm khuyết: S + DTKK + be + V3/ed ... (by O) + time

Quá khứ hoàn thành : S + had been + V3/ed ... (by O) + time

Quá khứ đơn : S + was/were + V3/ed ... (by O) + time

Hiện tại đơn: S + am/is/are + V3/ed ... (by O) + time

Hiện tại tiếp diễn: S + am/is/are + being + V3/ed ... (by O) + time

1 The wine should be opened about three hours before it is used.

2 Steps had been cut in the ice by previous climbers.

3 My shoes had been cleaned and my suit brushed.

4 This room is used only on special occasions.

5 Nails mustn't be hammered into the walls without permission.

6 In some districts pigs are used to find truffles by farmers.

7 A light was switched on and the door was opened.

8 The picture had been slashed with a knife.

9 The old theatre is being pulled down.

10 Why wasn't the roof mended before it fell in?