定语从句时态要一致吗
主句和定语从句可以使用不同的时态。例如:Do you remember the people who we met in Italy? 你记得我们在意大利遇到过的哪些人吗?此句中主句用一般现在时,含义是“(现在)记得”,定语从句用一般过去时,含义是“(当时)遇到”。
关系代词引导的定语从句
关系代词所代替的先行词是人或物的名词或代词,并在句中充当主语、宾语、定语等成分。关系代词在定语 从句中作主语时,从句谓语动词的人称和数要和先行词保持一致。
1)who, whom,that
这些词代替的先行词是人的名词或代词,在从句中所起作用如下:
Is he the man who/that wants to see you?
他就是想见你的人吗?(who/that在从句中作主语) He is the man whom/ that I saw yesterday.
他就是我昨天见的那个人。(whom/that在从句中作宾语)
2) Whose 用来指人或物,(只用作定语, 若指物,它还可以同of which互换), 例如:
They rushed over to help the man whose car had broken down. 那人车坏了,大家都跑过去帮忙。
Please pass me the book whose (of which) cover is green. 请递给我那本绿皮的书。
3)which, that
它们所代替的先行词是事物的名词或代词,在从句中可作主语、宾语等,例如:
A prosperitywhich / thathad never been seen before appears in the countryside. 农村出现了前所未 有的繁荣。(which / that在从句中作主语)
The packagewhich / thatyou are carrying is about to come unwrapped. 你拿的包快散了。(which / that 在从句中作宾语)