Unit 4 Astronomy: the science of the stars名词性从句 课件

课件27张PPT。名词性从句请判断出下列的句子属于哪种从句What I want to do is taking a bath. The news that they won the game spread the whole school. I don’t think he is an honest boy. The fact is that he stole the car. Do you know the fact that he stole the car? Do you know the man who is standing over there? It is said that they won the game. (主从)(同位语从句)(宾从)(表从)(同位语从句)(定从)(主从)主语从句在句中充当主语的从句叫做主语从句。他星期三来这里是肯定的。 That he will come here on Wednesday is certain.注意：从句作主语时，就算是句子意思完整，都要加上从属连词that他星期三是否来这里还不肯定的。Whether he will come here on Wednesday is not certain.注意：主语从句表示“是否” 只用“whether” 而不用“if”主语从句主语从句有时用“it”作形式主语，把真正的主语放在后面，以避免头重脚轻。It is known to us that he will come here.用it形式主语的that从句有以下四种不同的搭配：It + be + 形容词 ＋ that从句It is necessary that… 有必要… It is important that …. 重要的是… It is obvious that…… 很明显……It + be + -ed分词 ＋ that从句It is believed that… 人们相信… It is known to us/all that …. 众所周知… It has been decided that…… 已经决定……It + be + 名词 ＋ that从句It is common knowledge that… …是常识 It is a surprise that …. 令人惊奇的是… It is a fact that…… 事实是……It + 不及物动词 ＋ that从句It appears /seemsthat… 似乎… It happens that …. 碰巧… It occurred to me that…… 我突然想起……表语从句在句中充当表语的从句(即放在be动词后面)叫做表语从句。一般放在连系动词之后.作用：对主语进行解释说明。我们的目的是他能认识到错误。Our purpose is that he can realize his faults.注意：引导表语从句的连接词一般不省略。问题是它是否值得做The question is whether it is worth doing注意：表语从句表示“是否” 只用“whether” 而不用“if”一般情况下，“that”不能省。 It is /was because …. It is /was why…. 3. The reason (why…/for…)is /was that…. 4 The reason is because /why…that ….1. That’s ___ the Party called on us to do. A. why B. what C. how D. that 2. The reason is ___ he is unable to operate the machine. A. because B. why C. that D. Whether 3 .That is ___ they separated. A. that B. what C. which D. where 4.Jane is no longer ___ she was four years ago. A. what B. which C. that D. when 试区分以下句子Is this museum what you visited?Is this the museum that you visited?Is this museum the one that you visited?注意：这种句子考试时一定要记住这句话：名词前（尤其是单数可数名词前）一定要有限定词。然后把句子变换成陈述句，接着判断句子是属于哪种从句再完成。(表从)(定从)(定从)宾语从句在句中充当及物动词或介词宾语的句子叫做宾语从句。我不知道你会来这里I don’t know （that） you will come here注意：that在从句中不充当任何成分，在口语或非正式的文体中常常被省去注意：在宾语从句中，表示“是否”既可以用whether,也可以用if. 但是，whether常与or not连用；可与不定式连用。 作介词宾语只用whether; 从句是否定句时一般用if。宾语从句中的否定转移我认为他不会来这里I think he won’t come here. ( ) I don’t think he will come here. ( )注意：如果宾语从句是由think, believe, imagine, suppose等词引导的 ... ...