专升本英语考试中，考查最多的是单词和句型的理解和运用，因此同学们除了勤记单词外，还应加强对重要句型的理解和练习。
今天小普就为大家汇总一些专升本英语中的重要句型，同学们结合真题食用更佳！
1、when句型
(1) be doing sth. ... when... 正在做……时
He was still smiling when the door opened and his wife came in.
他正笑着的时候门突然开了，他妻子走了进来。
(2) be about to do sth. ... when... 准备做…时
We were about to start when it began to rain.
我们刚要出发，天就开始下雨了。
(3) had just done... when... 做完……时
I had just gone to bed after a very hard day when the phone rang.
在劳累了一天之后我刚刚就寝，电话铃就响了。
2、where句型
(1) where 引导的定语从句
This is the house where he lived last year.
这就是他去年住过的房子。
(2) where 引导的状语从句
Where there is a will，there is a way.
有志者事竟成。
He left his key where he could find.
他将钥匙放在易找到的地方。
I will go where I want to go.
我要去我想去的地方。
(3) where 引导的表语从句
This is where you are wrong.
这正是你错的地方。
3、what句型
(1) what 引导主语从句
What surprised me is that everybody seemed to be very indifferent to her. (indifferent adj. 不关心的; 冷漠的)
让我吃惊的是每个人似乎对她都很冷淡。
(2) what 引导宾语从句
We can learn what we do not know.
我们能学会我们不懂的东西。
(3) what 引导表语从句
That is what I want.
那正是我所要的。
(4) what 引导同位语从句
I have no idea what they are talking about.
我不知道他们正在谈论什么。
4、as句型
(1) as引导方式状语从句
As (it is) in your country, we grow wheat in the north and rice in the south.
正如(像)你们国家一样，我们北方种植小麦，南方种植水稻。
(2) as+形容词/副词原级+(a /an)+名词+as；（否定式：not as/so ... as）
He is as good a player as his sister.
他和他姐姐一样是位优秀的运动员。
(3) such + n. + as to do 如此……以致于……
She is such a fool as to believe what he said.
她是一个如此的一个笨蛋以致相信了他所说的话。
(4) so + adj./adv. + as to do sth 如此……以致于……
He was so strong as to carry the heavy box.
他是如此的强壮以致于能提起那重箱子。
(5) such... as... 像……之类的…… (接名词或定语从句)
He wished to be such a man as Lei Feng was.
他希望成为一个像雷锋这样的人。
(6) the same +名词+as 和……一样的…… (接名词或定语从句)
He is not the same man as he used to be.
他不是从前的那样子了。
(7) as 引导非限制性定语从句
As is known to us, knowledge is power.
众所周知，知识就是力量。
(8) 引导时间状语从句，与while意义相近
We get wiser as we get older.
随着我们长大，我们也变得越来越聪明。
(9) 引导原因状语从句，与because的用法相近
As it was getting very late, we soon turned back.
因为越来越迟了，所以我们不久就回来了。
(10) 引导让步状语从句
Child as he is, he knows much about science.
尽管他是一个小孩，但他对科学了解得很多。
5、prefer句型
(1) prefer to do sth. 宁愿做……
I prefer to stay at home.
我宁愿待在家里。
(2) prefer doing sth. 喜欢做……
I prefer playing in defence.
我喜欢打防守。
(3) prefer sb. to do sth. 愿意某人做……
Would you prefer me to stay?
你愿意我留下来吗?
(4) prefer to do sth. rather than do sth. 宁愿做……而不做……
I prefer to stay at home rather than go out.
我宁愿待在家里而不愿出去。
(5) prefer doing sth. to doing sth. 喜欢做……胜于做……
I prefer watching football to playing it.
我喜欢看足球，不喜欢打足球。
(6) prefer sth. to sth. 偏爱……胜于……
I prefer tea to coffee.
我要茶不要咖啡。
6、before句型
(1) before sb. can/ could… 某人还没来得及……
Before I could get in a word, he had measured me.
我还没来得及插话，他就给我量好了尺寸。
(2) It will be+时间+before 还有多长时间……
It will be 4 years before he graduates.
他还有四年时间便毕业了。
(3) had done some time before （才……）
We had sailed four days and four nights before we saw land.
我们航行了四天四夜才见到陆地。
(4) had not done... before... 不到……就……
We hadn't run a mile before he felt tired.
我们还没走到一英里路就觉得累了。
(5) It was not+一段时间+before 不多久就……
It wasn't two years before he left the country.
还没到两年他们离开了那国家。
未完待续...
