育才学习网1. 主语从句是什么意思啊
定义 在复合句中充当主语成分的句子叫做主语从句 常规主语从句，即句子在复合句中充当一个主语 主语从句的时态：不受主句的时态影响和限制。
（1）That he finished writing the composition in such a short time surprised us all。 (2)Whether we will go for an outing tomorrow remains unknown。
(3)Who will be our monitor hasn't been decided yet。 (4)Whom we must study for is a question of great importance。
(5)What caused the accident remains unknown。 (6)Whatever you did is right。
(7)Who the watch belongs to was lost is unknown。 (8)What we need is time。
(9)What we need are good doctors。 小结 （1）引导主语从句连词有that,whether,who,what,whatever等 （2）连词位于句首不能省略 （3）主语从句大多数情况下视为第三人称单数，但也有例外，如例（9） 希望能帮到你，麻烦给“好评”。
2. 求一些用主语从句写的句子
主语从句的时态：不受主句的时态影响和限制。
(1)That he finished writing the composition in such a short time surprised us all.
(2)Whether we will go for an outing tomorrow remains unknown.
(3)Who will be our monitor hasn't been decided yet.
(4) Whom we must study for is a question of great importance.
(5)What caused the accident remains unknown.
(6)Whatever you did is right.
(7)Whose watch was lost is unknown.
(8)What we need is time.
(9)What we need are good doctors.
为了防止句子头重脚轻，通常把形式主语it放在主语位置，真正主语搁置于句末
(1)It is certain that he will win the match.
(2)It is true that he has made a very important discovery in chemistry.
(3)It is very likely that they will hold a meeting.
(4)It is strange that he should do that.
(5)It is important that we all should attend the meeting.
(6)It is strange that the man should have stuck to his silly ideas.
(7)It is a pity that we won't be able to go to the south to spend our summer vacation.
(8)It is still a mystery what caused the accident.
(9)It is said that he has gone to shanghai.(=He is said to have gone to shanghai)
(10)It is known to all that the gun powder was first invented by the Chinese.
(11)It is suggested that the work should be done with great care.
(12)It seems that he has seen the film.(=He seems to have seen the film)
(13)It happened that the two cheats were there. (=The two cheats happened to be there)
3. 【麻烦写10个既有主语从句又有宾语从句的句子,再写10个既有主语从
主语从句+表语从句：What you want to say is that we are about to talk about.That We talked about is what you want to say too.What he tells me is what I'm expecting for a long time.Where he comes is what we want to know.What he gave me yesterday was that I'm happy with.What made me happy is that he gave me a gift yesterday..What he wanted to know is whether I liked the gift that he had given me.What I call my mom to tell her is that I'm going to hold a welcome party.What I'm looking forward to is that my parents can treat me better.That you will win the medal is what seems unlikely.主语从句+宾语从句That I call my mom to tell her that I'm going to hold a welcome party.实在懒得编了，你就模仿这一句像上面十句那样造句就行了.注意宾语从句别在be动词后用that就行.相信看了这些句子你对所谓从句应该会有一定的理解.满意望采纳，。
4. 什么是主语从句,怎么用
主语从句，即在复合句中充当主语成分的句子，例如"That he finished writing the composition in such a short time surprised us all"，他在很短的时间内写完作文让我们都很惊讶，此复合句主要描述的是某事让我们惊讶，某事就是该复合句的主语，因此“That he finished writing the composition in such a short time”便是该复合句的主语从句。
引导主语从句的连词主要有：
从属代词：that whether
连接代词：who whoever whom whose what whatever which whichever
连接副词：when where how why
希望帮到你~