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10 . The children have just been given some gifts
( have + been + $V_{ed}$/$P_{2}$)
11 . Fire was made in the traditional way
( was/were + $P_{2}$)
12 . Four bottles must be collected by you
( Must be + $P_{2}$)
III)Rewrite
1 , Ba would buy a lot of new books if he had a lot of money
( Câu đk type 2 : mệnh đề if ở quá khứ , mệnh đề chính ở would/could + $V_{inf}$)
2 . The town was destroyed completely by the storm
(Was/were + $P_{2}$)
3 . The town which he visited last year is very peaceful
( Realative clause với đại từ quan hệ "which" dùng cho vật )