句子吧，从语气上分，句子可以分为陈述句

语从句作为英语语

语从句是英语语法中的一个重要部分，它扮演着连接主句和从句的角色，用来充当主句中动词的宾语。了解宾语从句

英语语法中，定语从句是一种常见的句子结构，用于对名词进行修饰和补充说明。正确使用定语从句不仅可以使句在线资源等途径来加深对定语从句的理解。只有通过不断的实践和积累，才能够掌握定语从句的使用技巧，提高英语写作和口语表达的水平。 6. 注意定语从句的修辞效果 定语从句的使用不仅仅是为了修饰名词或代词，还可以通过巧妙运用定语从句来达到

天和大家来分享的是英语语法知识当中的主语从句(Subject Clause)， 主语从句即在主从复合句中充当主语成分的句子。对此还不太了解的，今天可以一起来往下看看。 It is important. That we all should attend the meeting is important. It is important (that) we all should attend the meeting. 主语从句的连词 1、连词that(句首不可省略)，whether，if引导的主语从句。 That the earth is round is true. It is true that the earth is round. That you missed such an interesting film is a pity. It is a pity that you missed such an interesting film. That she is still alive is sheer luck. It is sheer luch that she is still alive. It remains unknown whether/if we will go for an outing tomorrow. 注意：whether/if含有“是否”的意思，可以加上“or not”，其语义不变。但如果主语从句位于句首则必英语课程，可以让自己掌握更多的知识，提升英语水平。今天和大家来分享的是英语语法知识当中的主语从句(Subject Clause)， 主语须用连接词whether，不用if。 If the meeting will be put off hasn't been decided yet. (X) Whether the meeting will be put off hasn't been decided yet. (√) It is still a question whether/if it is true or not. Whether it is true or not is still a question. 2、连接代词who，whose，what，which，wh+ever引导的主语从句。 Who will come to teach the students is not known. Whom the watch belongs to is unknown. Whose watch was lost is unknown. Whatever he said wasn't true. 3、连接副词 where，when，how，why引导的主语从句。 Where the library is to be built has not been decided yet. When we start the work is an important question. How this happened is not clear. Why she was late for school is quite clear now. 注意：主语从句中的连词不能重叠使用。 That whether we'll go camping tomorrow depends on the weather. (X) Whether we'll go camping tomorrow depends on the weather. (√) 主语从句的语序 主语从句的语序用陈述语序 When will she come is not known.(X) When she will come is not known. (√) What we need is more time. (√) What do we need is more time.(X) 主语从句的时态 主语从句的时态不受主句时态影响和限制。 What caused the accident remains unknown. What he did yesterday will never be known by his mother. It is certain that he will win the match. It is suggested that the work should be done with great care. 主语从句的注意事项 1. 主语从句的谓语一般用单数形式; When the meeting will be held haven't been known yet.(X) When the meeting will be held hasn't been known yet. (√) When he will come is a puzzle. (√) 2. What引导的主语从句，可根据表语决定主句动词的单复数形式; What he needs is that book. What he needs are some books. 3. What引导的主语从句一般不可以改为含形式主语的句子，that则可以; What you said yesterday is right. It is right what you said yesterday.(X) That she is still alive is certain. It is certain that she is still alive. (√) 4. 常见用it做形式主语的主语从句 It is known to all that the gunpowder was first invented by the Chinese. It is true that he has made a very important discovery in chemistry. It is important that we all should attend the meeting. It is a pity that we won't be able to go to the south to spend our summer vacation. It is doubtful whether she will be able to come. It is said that he has gone to Shanghai. It is still a mystery what caused the accident. It seems obvious that we can not go on like this. 如果你想选择线上英语课来进行培训，大家可以来网校了解了解相关的课程和资讯。如果您对英语学习感兴趣，想要深入学习，可以了解沪江网校精品课程，量身定制高效实用的个性化学习方案，专属督导全程伴学，扫一扫领200畅学卡。

了。 1)当主语从句出现在感叹句中时，一般用it作形式主语 What a pity it is that you can’t stay for dinner!你不能留下来吃饭多遗憾啊! 2)在“It doesn’t matter how/whether …”结构中it作形式主语 It doesn’t matter whether he is wrong or not. 他是对还是错没多大关系。 习题 1 _____ made him surprised

了。 1)当主语从句出现在感叹句中时，一般用it作形式主语 What a pity it is that you can’t stay for dinner!你不能留下来吃饭多遗憾啊! 2)在“It doesn’t matter how/whether …”结构中it作形式主语 It doesn’t matter whether he is wrong or not. 他是对还是错没多大关系。 习题 1 _____ made him surprised

当我看到……我就忍不住感到惊讶。Whenever I see …， I cannot but feel surprised. 例：Whenever I think of the clean brook near my home, I cannot but feel sad. = Every time I think of the clean brook near my home, I cannot help feeling sad. 每当我想到我家附近那一条清澈的小溪我就忍不住感到悲伤。 9. 宾语从句 我认为，…… / 我认为……不 I think / I don't think that … 我想知道是否…… I wonder whether … 例：He doesn't think I should stop him joining the club. 他认为我不应该阻止他参加这个俱乐部。 10. Since + S + 过去式， S + 现在完成式。 例：Since he went to [w]senior[/w] high school, he has worked very hard. 自从他上高中，他就一直很用功。