高中名词性从句

这是一篇关于高中名词性从句的思维导图，本导图有助于帮助您熟悉知识要点，加强记忆。有需要的同学，可以收藏下哟

名词性从句

主语从句

连词

that 无语义 不充当成分 e.g.That you like singing is unknown to me.

whether/if 有语义 不充当成分（if只能放在句中，避免歧义不可放句首）e.g.Whether you will forgive him is unknown to us.

wh- 有语义 充当成分 e.g.What I am wondering is the truth.

特殊句型

It+特殊v.（短语）[如occur to/happen to/seem to sb.；turn out/matter...]+that+从句 e.g.It turned out that he was the very thief.

It+be+情感类adj.+that+从句 e.g.It is strange that you (should) say like this.

It+建议类v.+that从句 e.g.It is demanded that you (should) come early.

表语从句

连词

that 无语义 不充当成分 e.g.The fact is that we should depend on ourselves.

whether有语义 不充当成分(不用if，表从有时可与主从替换，避免歧义）e.g.The problem is whether he can control the situation.

wh- 有语义 充当成分 e.g.The biggest promblem is how we can tackle the tough issue.

特殊句型

It+感官v.

+that+从句 e.g.It appears that you are drunk.

+as if/though+虚拟语气 e.g.It tasted as if/though the meat had gone bad.

That's because+从句 e.g.That's because we're not in common.

同位语从句

连词

that 无语义 不充当成分 e.g.The news that he has won the game is not true.

whether有语义 不充当成分 (不用if 避免歧义） e.g.There is some doubt whether he will give up his dream.

wh- 有语义 充当成分 e.g.The question when we will set off remains unsettled.

特殊句型

表示命令、要求、建议等n.的同位语从句为 that+虚拟语气

e.g.The teacher gave us some advice that we (should) memorize more words daily.

e.g.The order from the government that the chemical plant (should) be moved to the countryside has been carried out.

宾语从句

连词

that 无语义 不充当成分 e.g.I believe (that) I can fly.

whether/if有语义 不充当成分(介词后不用if ） e.g.I wonder whether/if you won the game.

wh- 有语义 充当成分 e.g.Did Coco figure out how Johnson would get through the chilly winter?

<特殊> 表情感、态度类的系表结构相当于谓语 +that从句 e.g.He is pleased that he can tackle the problem on his own.

特殊句型【需加形式宾语it，再加宾从的情况】

当主句为主谓宾宾补结构时

e.g.I think it necessary that we memorize more words daily.

e.g.Some students take it for granted that they can get everything from their parents.

当表“喜欢、认为、痛恨”类的词时 e.g.I hate that my friends turn me down.

当that引导的宾从作介词宾语时 e.g.One must see to it that the car is in neutral.

名从中that不可省略的情况

当that宾从的主语是非谓语动词or主从时 e.g.We all know that studying hard is really necessary.

当主句中的谓语是固定词组时 e.g.Mary has made up her mind that she will study hard for the scholarship，so she can have the chance to go abroad for further study.

当that宾从是双宾语中的直宾时 e.g.I'll never tell anyone that you've ever been there.

并列的宾从时，第二个及以后的从句连词that不能省 e.g.The teacher told us (that) ...and that ...

当that宾从前有it作形式宾语时 e.g.I think it difficult that...

当主句的状语位于从句的前面时 e.g.Tom promised that if he could...,he would...

省略答语中，that宾从单独出现时 e.g.——What did he say? ——That he would visit the Great Wall.

当that前有插入语时 e.g.Little Alice didn't know,I'm sure,that her sister was going to America.

<注>当名从已有疑问词引导时，不可再加that