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三、动词的时态及语态
I 时态
时态考查项目
1 过去完成时
2 现在完成进行时
3 将来完成时
4 一般现在时(用于表示客观事实/科学真理)
答题依据: 句中时间状语
主从句谓语动词的先后关系
语境
时态的呼应(the sequence of tenses)
时态呼应是指从句中谓语动词的时态因受主句中谓语动词时态的影响而须采用一定的时态，从而达到两者在逻辑关系上的一致。
（一）主句谓语动词的时态为现在时或将来时，
从句谓语动词根据实际情况可用各种时态
She says she is a college student.
she was a college student.
she will be a college student.
Has he told you when he is to leave for Beijing?
Will you tell me when you finished the work?
（二）主句谓语动词用过去时态
1 若从句谓语动词的动作与主句谓语动词的动作同时发生，
从句用一般过去时或过去进行时
She told me she was a teacher.
He said he was studying English.
2 若从句谓语动词的动作发生在主句谓语动词的动作之前，从句用过去完成时或过去完成进行时
She explained to me that she had made the mistake chiefly
out of carelessness.
Betty said that she had been waiting for my call.
3 若从句谓语动词的动作发生在主句谓语动词的动作之后，从句用过去将来时、过去将来进行时或过去将来完成时。
He said that he would come back the next day.
She said that she would be setting off on the 10 o’clock train.
He told them that he would have finished by six o’clock.
4 若从句谓语动词的动作发生在主句谓语动词的动作之前，但从句中有表示某一具体时间的状语，从句用一般过去时。
He told me that he was born in 1959.
My mother told me that my grandfather went to Germany in 1917.
5 若从句说明的是客观事实或科学真理，现在依然成立，从句用一般现在时。
Our teacher said that the earth is round and it goes round the sun.
（三）主、从句动作都是将来时，但在时间状语从句和条件状语从句中，从句谓语动词用一般现在时代替将来时，主句仍用一般将来时。
I will be a teacher when I grow up.
What shall we do if it snows?
II语态
语态: 主动语态和被动语态
（一）被动语态考查项目: (1) 被动语态进行式
(2) 被动语态完成式
(3) 不定式被动式
需要注意: 主动变被动后加to
(二) 具有被动意义的主动结构(即不该用被动语态的情况)
1 在“主语+谓语+宾语+过去分词(作宾补)”结构中
谓语动词为使役动词或感官动词
Eg. I had the machine repaired.
I didn’t hear my name called.
2 在“主系表”结构中
Eg. The flowers smell sweet.
The food tastes nice.
3 在“主语+vi. + (adj./adv.)”结构中
vi.有: open, shut, sell, wear, blow, work, move, lock, cook, wash, clean, read, write, draw, make, burn, eat, blame, photograph, etc.
Eg. The goods sells well.
The door blew open.
The door can’t shut/lock.
This material has worn thin.
The food is ready to eat.
This kind of rice cooks quickly.
She doesn’t photograph well.
Danish bacon and egg makes a good meal.
The mother didn’t know who to blame for the broken glass.
4 sth. want/need to be done sb. want (sb.) to do
sth. want/need doing
sth. require doing
sth. be worth doing / be worthy to be done
be worthy of sth.
be worthy of doing
Eg. The house needs/wants repairing.
The book is worth reading.
四、主谓一致
主谓一致：谓语动词在人称和数上与主语一致
