不需要被动语态的状况

1) 不及物动词或动词短语无被动语态：

appear, die disappear, end , fail, happen, last, lie, remain, sit, spread, stand

break out, come true, fall asleep, keep silence, lose heart, take place.

After the fire, very little remained of my house.

比较： rise, fall, happen是不及物动词;raise, seat是及物动词。

The price has been risen.

The price has risen.

The accident was happened last week.

The accident happened last week.

The price has raised.

The price has been raised.

Please seat.

Please be seated.

要想正确地用被动语态，就需小心什么动词是及物的，什么是不及物的。尤其是一词多义的动词总是有两种使用方法。解决这一问题唯有在学习过程中多注意积累。

2) 不可以用于被动语态的及物动词或动词短语：

fit, have, hold, marry, own, wish, cosplayt, notice, watch agree with, arrive at / in, shake hands with, succeed in, suffer from, happen to, take part in, walk into, belong to

This key just fits the lock.

Your story agrees with what had already been heard.

3) 系动词无被动语态：

appear, be become, fall, feel, get, grow, keep, look, remain, seem, smell, sound, stay, taste, turn

It sounds good.

4) 带同源宾语的及物动词，反身代词，相互代词，不可以用于被动语态：

die, death, dream, live, life

She dreamed a bad dream last night.

5) 当宾语是不定式时，极少用于被动语态。

She likes to swim.

To swim is liked by her.