2 I doubt whether/whI don’t doubt that… Do you doubt that…？
3 I wonder whether/wh-…
虚拟语气 I suggest /insist/
require/request/demand/order that…
(should) do
= sb/sth. is reported….to do/ to have done/be doing... 6
虚拟语气
It is suggested advised that + (should）do... 建议…… proposed
It is ordered commanded
that + (should）do... 命令……
sb leave word that….某人留下…的消息…
3
（1）It is + adj. +从句
It’s certain that… 肯定… It is possible that... 很可能…sb be possible to do (x) It is (un) likely that... (不）可能= sb be likely to do (v) It is obvious that… 很明显… It is clear that…很清楚…
It is required(要求)
that + (should）do...
requested（请求）
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（4)It +不及物动词+从句
It (so) happens that sb…=sb. happens to do 某人碰巧做某事 It seems/appears that….似乎…. It looks as if/ though…看上去好像… It doesn’t matter whether/wh-…不论（是否）…没关系 It doesn’t make any difference /makes no difference( to sb.)

It is learned that…据悉，人们得知…
It must be admitted that…必须承认……
It cannot be denied that… 不可否认……
It must be pointed out that…需指出的是……
It is said /reported/learned/estimated/wellknown/believed that…. 据说/据报道/据悉/据估计…
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2. 宾语从句
1 it 用作形式宾语 think (consider, suppose, believe, find, feel, make, … )+ it + adj./n. + that….
make it a rule/clear/ (im)possible/known to do/ that… take it for granted that…/take it into consideration that…
虚拟语气
It is important( vital, necessary, essential, surprising natural ,strange，…) that +….(should ) do…
4
（2）It is + n. +从句
It’s no wonder that…难怪…. It is a pity/shame that... 遗憾的是…… It is a surprise that… 令人惊奇的是… It is a fact that… …是事实 It is common knowledge/sense that… …是常识
句式辨析 It is no wonder that…难怪
There is no doubt that…毫无疑问
There is no need for sb to do…没有必要做某事
that ….+clause…
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（3）It + be +过去分词+从句
It is said that...
据说……
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3. 表语从句
1 The reason why …. is /was that….原因是…. 2 This/That is why…这就是…的原因。 3 What worries/delights/surprises/disappoints/ puzzles sb is that…令某人….的是….. 4 It is no longer what it used to be/ it was.
whether/wh-...不论（是否）…不重要，没影响 It occurred to sb /struck sb that…某人突然想到… It didn’t occur to sb that…某人没想到… It never occurred to sb that…某人从没想到… It turns out that….结果是…
It is known to all that... 众所周知……,我们都知道…
＝As we know,…=As is known to all,…
It is reported that... 据报道……
It is believed that...据信……;人们相信……
It is estimated that…据估计…
虚拟语气
The suggestion/advice/proposal /requirement/ request/order/ command…
is that +…(should) do … 10 be done
4. 同位语从句
Word came that的消息来了＝The news came that…
1
一.基本概念：名词性从句的功能相当于名词，它在 句子中充当主语、宾语、表语和同位语。结构是 句子 + 引导词 + 句子 ，关键是要抓对引导词。列表如下：
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二.名词性从句常用句型 1.It 作形式主语的几种主语从句 It be+ adj. + that… It be +noun+ that… It +verb.+ that… It be +p.p +that…