I was given a nice present by my friend yesterday.
3)被动语态一般现在时结构: is/am/are/+过去分词
A)肯定句形式:
如:It is used for cooking.
I am looked after well every day.
Many trees are planted every year.
B)疑问句形式:
Is it used for cooking
Are you looked after well every day
Are many trees planted every year


What is it used for
Where are you looked after well
C)否定句形式:
It is not used for cooking.
I am not looked after well every day.
Many trees are not planted every year.
4)被动语态过去时态结构:was/were+过去分词.


A)肯定句形式:
如: It was used for cooking by people in old the days.
Many trees were planted last year.
B)疑问句形式:
Was it used for cooking in the old days
Were many trees planted last year
When were the trees planted



否定句形式:
如:It was not used for cooking in the old days.
These trees were not planted last year.
4)含有情态动词被动语态的结构:情态动词+be+过去分词
A)肯定句形式:
如:
English can be spoken by us.(被动语态)
English must be studied well.(被动语态)
The room should be cleaned every day.(被动语态)
B)疑问句形式:

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