1、Part Grammar主语从句思维导图一、定义在主从复合句中充当主语的从句即为主语从句。What surprised me is that everybody seemed to be very cold to her.让我吃惊的是每个人似乎对她都很冷淡。It worried the woman that her son was always playing computer games.儿子一直在玩电脑游戏，这让这个女人很担心。二、主语从句的连接词及其句法功能类别例词句法功能从属连词that，whether两者在从句中均不作成分，只起连接作用；that无实义，whether表示“是否”。连
2、接代词who，what，which，whoever，whatever等在从句中作主语、宾语、表语、定语等成分。连接副词when，where，how，why等在从句中作时间、原因、地点、方式状语等成分。Who will do it doesnt matter.谁做这件事都没有关系。What we need is more water.我们需要的是更多的水。Whatever you do in your spare time should do no harm to others.无论你在业余时间做什么都不应该伤害其他人。名师点津who 引导的主语从句表示一件“事情”，意为特指而whoever引导
3、的主语从句指“人”，表示泛指。Who will go to the concert is not known.不知道谁会去听音乐会。Whoever will go to the concert is welcome.无论谁去音乐会都会欢迎。How this happened is not clear to anyone.这件事怎样发生的，谁也不清楚。When we will have a meeting is an important question.我们何时举行会议是个重要的问题。Where I spend my summer is no business of yours.我在哪里过暑假
4、不关你的事。名师点津名词性从句引导词的确定步骤：(1)分析句式结构，明确名词性从句在句中的功能；(2)明确名词性从句所表达的意义；(3)明确名词性从句中所需要的成分及意义；(4)确定从句的引导词。三、主语从句中用it作形式主语的结构为保持句子平衡，常把主语从句后置，而用形式主语it代替。it作形式主语时常用于以下句型：句型说明It系动词形容词that从句常用于此句型的形容词有important，(un)likely，possible，necessary，natural，wrong等。It系动词名词that从句常用于此句型的名词有fact，idea，honor，question，pity等。It
5、be动词过去分词that从句常用于此句型的分词有known，proved，said，decided，suggested，thought等。It特殊动词that从句常用于此句型的动词有appear，happen，seem，occur等。Its possible that he has been to Beijing.他有可能去过北京。Its a pity that you didnt attend the meeting.你没参加这次会议太可惜了。It is suggested that the meeting be put off.有人建议会议延期召开。It seems that it is
6、going to rain.看起来好像要下雨。四、主语从句中应注意的问题(1)从句的语序要用陈述语序。Whoever leaves the room last is expected to turn off the lights.无论谁最后离开房间都要把灯关掉。(2)从句作主语时，主句的谓语一般用单数形式。有时受表语的影响用复数形式。What you said just now is quite right.刚刚你说的话很对。What he wants to read now are some magazines.现在他想读的是一些杂志。(3)从句的时态一般要取决于主句。What made p
7、eople excited was that the solar ship had completed aroundtheworld trip.让人们激动的是太阳能船已完成了环游世界的旅行。.用适当的连接词填空1.That he got the first prize in the English Contest surprised all of us.2.Whether they would support us was a problem.3.Who will take the place of Mr.Li as our new headmaster hasnt been decided.
8、4.What caused the accident to happen hasnt been made clear yet.5.Whoever has helped to save the drowning girl is worth praising.6.It is said that Peter will have a chance to travel abroad next month.7.How we can get in touch with him is the most important.8.I read about it in some books or other.Doe
9、s it matter where it was?.补全句子1.What_impresses_us_most_are(给我们印象最深的是)your art skills，in which you showed outstanding talent.2.What_surprises_us_most_is(让我们最吃惊的是)that the water can remain at that temperature for about twenty hours.3.It_is_reported_that(据报道) 300 million people in China have eyesight t
10、rouble.4.That_she_gave_birth_to_a_healthy_baby(她生了一个健康的婴儿) made the family very happy.5.Whether_his_parents_will_buy_a_new_computer_for_him(父母是否给他买一台新电脑) depends on his exam results.6.It remains a mystery why_this_kind_of_animal_died_out_suddenly(为什么这种动物突然灭绝了).7.Which_book_they_will_choose(他们将选哪本书) is still unknown.8.Where_we_will_have_the_meeting(我们在哪儿开会) hasnt been decided yet.9.Its_a_pity_that(太遗憾) the quarrel broke up their friendship.10.Who_will_replace_him(谁将代替他) is the most important.