我优求知网高中英语重点句型汇总
想要写好作文就要对背背短语及句型，只有掌握了短语及句型才能写好文章。以下是整理的高中英语重点句型汇总，希望对大家有所帮助。
1、Although the four countries do work together in some areas，they are still very different.
although 引导让步状语从句：虽然这四个国家确实在某些领域合作，但它们仍然非常不同。
2、as if / though 引导的状语从句，时常用虚拟语气，表示与事实不符或相反的情况
He spoke in that way as if he were a foreigner. 他讲话的方式就好像是老外。
3、as + adj. + a + 可数单数名词 + as … ：as---as 像---一样：第一个as是副词，修饰形容词或副词的原级;
第二个as是连词，引导比较状语从句。在否定句中也可以改为not as(so)---as-----.
The film was not as/so good as I had expected. 这部电影不如我预期的好。
4、be about to do sth…when… 正要干……这时…… when == at that time
I was about to leave when the manager called me back. 我正要离开时,经理叫住了他。
5、believe it or not 信不信由你，用于口语中，相当于插入语
Believe it or not, he asked me to tell you a lie! 信不信由你，他要我向你说谎!
6、can / could have done 表示对过去发生的行为进行推测，“可能”。一般用于否定句和疑问句
He can’t / couldn’t have done it because he was an honest man.
(1)must have done常用于肯定句，“一定” It must have been very late when he left the office.
(2)may / might have done 可能、也许，用于否定和肯定句中 He may / might have heard it from Mary.
(3)should have done表示“本该做某事，而结果未做”，否定句表示“不该做某事而结果做了”
He should not have taken the old clothes away. 他不该把旧衣服带走。(事实上已带走啦)
(4)needn’t have done 本来不需要---，但是做了… He needn’t have done his homework yesterday.
7、even if / though--- -即使、虽然
Even if we can go out for play, we won’t do. 即使我们能出去玩，我们也不想去。
8、Exhausted, I slid into bed and fell fast asleep. 由于太累了，我倒在床上马上就睡着了。
exhausted表原因，相当于一个原因状语从句As I was exhausted
9、Finding that Zhinu was heart-broken , her mother finally decided to let the couple cross the Milky Way to meet once a year.
Finding that Zhinu was heart-broken 是现在分词短语作原因状语，表主动动作。主句的主语与v.-ing有逻辑上的主谓关系
10、He couldn’t have Yong Hui getting away with telling people lies! 他不能让永慧跟别人说谎而置之不理。
(1)have sb. doing sth. 让某人做某事，表示一个持续的.动作。放在否定句中表示不允许某人干某事。
(2)have sb. do sth. 让某人做某事(省略to的不定式)，指做一次性的具体动作;
I’d have you know that I am ill. 我要让你知道我病了。
11、He got interested in two theories explaining how cholera killed people.
他对两个关于霍乱为什么能致人于死地的理论感兴趣。
how 引导的特殊疑问句是宾语从句
12、 However + adj. / adv. + 主语 + 谓语
however = no matter how无论如何，不管怎样，引导让步状语从句
However/No matter how cold it is, he always goes swimming.
13、主语 + be + adj.+ to do Tom is pleasant to work with. 与汤姆共事很令人愉快。
14、If so so用if 之后，代替前面的分句或句子，构成缩略条件句，语义可由上下文语境得知。
Will you get a free evening next week? If so, let us have dinner.
15、in search of 寻找，寻求
I’m always in search of someone who has the same hobby with me.
16、It is time -----
(1)It is time to do sth. 到了---的时间啦。
(2)It’s time (for sb.)to do sth. 到了某人干----的时间啦。 It’s time for us to have a lesson.
(3)It’s (high/about) time that 从句到了某人干----的时间啦
(4)It /That/This/was/is the first/second----time that---- 这是某人第一、第二---次做某事 It’s the first time that I have been here.
17、It is too bad you can’t go as far as Ottawa. as far as 有三层基本的意思
(1)到某一指定的地点;远达 He walked as far as the park. 他步行到花园。
(2)同样的距离 We didn’t go as far as others. 我们不如别人走的远。
(3)程度、范围。就----而言，至于。也可以写做 so far as
As / So far as I know, he isn’t coming to the party. 据我所知，他不会出席这个晚会了。
18、It / This / That is the + 序数词 + time that 这是某人第一次/第二次/第三次做某事。
该结构中，that引导的从句为定语从句，通常用完成时态。time亦可为其它名词所替代
This is the first time (that) I’ve felt really relaxed for months. 几个月来这是头一次我真的感到轻松了。
It was the third time that he has fallen in love that year. 这是他那一年第三次谈恋爱了。
19、It looked splendid when first built. 刚建起来的时候很辉煌。
(1)本句是一个复合句，when引导时间状语从句;
(2)When first built是When it was first built的省略
Be careful when(you are)crossing the street.?过街时要当心。
20、It was obvious that the manager of the coffee shop was waiting for Li Fang to leave…
句子中it作形式主语，其后的从句才是句子的真正主语。
(1)It’s a pity (a shame a fact a wonder...) that...
It’s no harm drinking running water in that area.在那个地区喝自来水是无害的。
(2)It is strange (obvious true good possible likely clear...) that...
It is easier to say than to do.说比做容易。
(3)It seems (happened turned out occurred to me) that...
It seems that it is going to rain a moment later.
(4)It is said (reported decided expected...) that.
It is said that the tickets have been sold out.据说票已售完。
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