高考英语经典句型帮你闯过写作和语法关（二）
11、before 句型：
(1) before sb can/ could … 某人还没来得及……
例：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……
例：It will be 4 years before he graduates. 他还有四年时间变毕业了。
(3) had done some time before （才……）
例：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……
例：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……
例：It wasn’t two years before he left the country.
还没到两年他们离开了那国家。
12、强调句型：
(1) It is ／was ＋被强调部分＋that
（who）．．．
例：It was I who wrote to my uncle yesterday．
是我昨天给我叔叔写信的。
(2) Is/was it + 被强调部分 + that (who) ...
例：Was it your brother that you met in the street?
在街上你遇见的是你兄弟吗？
(3) Where/who/what/how等特殊疑问词 + is/was it that ...
例：How is it that you will go to visit her tomorrow?
明天你究竟怎样去看望她？
(4) do +谓语动词 （强调谓语）
例：They do know the place well. 他们的确很熟悉那个地方。
13、用于表示过去未实现的希望和计划的句型：
(1) should like to/ would like to/ would love to have done sth.
例：You should like to have written to your mother.
你本应当给你母亲写信。
(2) was / were going to do sth.（用过去将来时态表示原打算做什么）
例：Lucy was going to watch a basketball match.
Lucy 原打算看一场篮球比赛。
(3) was / were going to have done sth. 表示未完成原来的计划和安排
例：Lily was going to have cleaned her bedroom, but she had no time.
Lily 原打算清理她的卧室，但她没时间。
(4) expect, intend, hope, mean, plan, promise, suppose, think,
want, wish ．．．
常用过去完成时态,在这些词后接宾语从句或者接不定式的一般形式；
或者用一般过去时态后面接不定式的完成形式表示过去未曾实现的愿望
例：She had supposed him to be very rich. 她原以为他很有钱。
(5) wish that …had done sth.表示过去未曾实现的愿望．
例：I wish he had been here yesterday. 要是他昨天在这儿就好了。
(6) 情态动词should ,would, could, might, ought to等后接不定式的完成时，
表示过去本该做，打算做，想做而未做的事情．
should have done =ought to have done 本应该做而没做
would have done = 本来就会去做某事而没做
could have done = 本可以做某事而没做
might have done 本可以做而没做
例：They ought to have apologized. 他们本该道歉的。
14、倍数句型：
(1)倍数＋比较级＋than．．．，
例：The room is twice larger than that one．这个房间是那个房间的两倍大。
There is 30 times greater chance of being hit by lightening than being attacked by a shark.
(2)倍数＋as＋原级＋as．．．，
例：The room is three times as large as that one．
这个房间是那个房间的三倍。
(3)倍数＋the size ／height／length ／weight ／width of．．．
例：The room is three times the size of that one．
这个房间是那个房间的3倍大。
15、 It is ------ that ---- 句型
(1) It is ＋ 名词 ＋ 从句
It is fact/an honour --- that +陈述语气从句
例：It is a fact that the earth moves around the sun.
地球围绕太阳转是事实。
It is a pity/shame/no wonder that + 虚拟语气从句
例：It is a pity that he should not come. 他若不来可真是遗憾。
(2) It is ＋ 形容词 ＋ 从句
It is natural/important/necessary/strange that + 虚拟语气从句
例：It is important that enough money be collected to fund the project.
重要的是募集足够的钱，为这个项目提供资金。
It is obvious/apparent/clear that + 陈述语气从句
例：It is clear that she doesn't like the dress at all.
这很清楚她一点儿也不喜欢这条裙子。
(3) It ＋ 过去分词 ＋ 从句
It is generally/commonly believed /accepted/thought/held that ...
+陈述语气从句
例：It is universally acknowledged that trees are indispensable to us.
全世界都知道树木对我们是不可或缺的。
It is suggested/ordered/desired/requested/decided that +虚拟语气从句
例句：It is suggested that we should hold a meeting next week.
建议我们下周开上会。
１６、It ＋ 不及物动词 ＋ 从句
(1) It seems that
例：It seems that Alice is not coming to the party at all.
看来Alice根本就不准备来参加聚会了。
(2) It happened that...……很偶然.
例：It happened that I won the football lottery last week.
我上星期偶然中了足彩
(3) It occurred to sb that...
例句：It suddenly occurred to me that I knew how to solve that problem.
我突然想起我知道怎样解决那个问题.
(4) It appears that....
例： It appears that Tom might change his mind. 看来汤姆会改变主意。
