语法的掌握是学习的重中之重，下面，小编给大家整理的四级必备的语法知识，大家可以作为学习的参考。 感叹表示强烈的喜怒哀乐情绪或感情，如：Hurrah，Ah，Alas。 Hurrah是感叹词，表示高兴等的呼喊声;Ah表示痛苦、愉悦、遗憾、惊讶等;Alas表示惊讶 Hurrah! We get it!(好哇!我们赢了!) Ah, how beautiful!(啊，多美!) Alas! How can you run so fast!(天啊!你怎么跑得这么快!) 2. 除感叹词本身外，还有一些其他词类也可用作感叹词。 (1) 名词做感叹词：Action!(行动!)，Fire!(着火了!)，Heavens!(天啊!)，Nonsense!(胡说!)，Thief!(有贼!) 。 (2) 动词做感叹词：Help!(救命!)，Listen!(听!)，Look!(看!)，Stop!(停!站住!)。 (3) 形容词做感叹词：Quiet!(安静!)，Quick!(快!)，Great!(好!妙

英语作为国际通用语言已经成为一个不可或缺的技能，因此，学会基础英语

句子吧，从语气上分，句子可以分为陈述句

英语中的句子按其语义功能划分为陈述句、(肯定句和否定句)、疑问句(一般疑问句、特殊疑问句速度快) The film isn't interesting.(这部电影很乏味) 疑问句： (1)一般疑问句 Can you finish the work in time?(你能按时完成工作吗?) (2)特殊疑问句 where do you live?(你住哪?) (3)选择疑问句 Do you want tea or coffee?(你要茶还是要咖啡?) (4)反意疑问句 He doesn't know her,does he?(他不认识她，对吗?) 祈使句：提出请求，建议或发出命令，祈使句的肯定句都是以动词原形开头，其否定句都是在动词原形前加don't。 Sit down ,please.(请坐) Don't be nervous!(别紧张) 感叹句：表示说话人惊奇、喜悦、愤怒等情绪。感叹句构成有三种形式： (1)What+a/an+单数可数名词+主语+谓语! (2)What+复数名词/不可数名词+主语+谓语! (3)How+adj/adv+主语+谓语! 英语知识是日积月累而来的，一口吃不成个胖子，同样水滴也能穿石! 以上就是关于英语句子种类的介绍，希望可以给大家学习带来帮助。

英语中的句子按其语义功能划分为陈述句、疑问句、祈使句和感叹句速度快) The film isn't interesting.(这部电影很乏味) 疑问句： (1)一般疑问句 Can you finish the work in time?(你能按时完成工作吗?) (2)特殊疑问句 where do you live?(你住哪?) (3)选择疑问句 Do you want tea or coffee?(你要茶还是要咖啡?) (4)反意疑问句 He doesn't know her,does he?(他不认识她，对吗?) 祈使句：提出请求，建议或发出命令，祈使句的肯定句都是以动词原形开头，其否定句都是在动词原形前加don't。 Sit down ,please.(请坐) Don't be nervous!(别紧张) 感叹句：表示说话人惊奇、喜悦、愤怒等情绪。感叹句构成有三种形式： (1)What+a/an+单数可数名词+主语+谓语! (2)What+复数名词/不可数名词+主语+谓语! (3)How+adj/adv+主语+谓语! 英语知识是日积月累而来的，要想学好英语，平时一定要多积累和掌握。

英语感接到通知马上就来了。 ②until further notice 在另行通知以前： The office is closed until further notice. 这个办事处将一直关闭到另行通知时为止。 observe后接动词作宾补用什么形式： 表示“注意到”，通常是指无意中注意到，其后可接带不定式(不带 to)或现在分词的复合结构。如： Everyone observed him leave [leaving] the room. 大家都注意到了他离开屋子。 I observed her enter [entering] the bank at 9:30. 我注意到她9点半进了银行。 以上结构用现在分词或不带to的不定式的区别为：用现在分词可指动作正在进行(未完成)或动词作的全过程(已完成)，而用不带to的不定式通常只指动作的全过程(即动词已完成)。 但是，若observe为被动语态，则其后的不定式要带 to。如： She was observed to enter the bank at 9:30. 用于以上词义时，还可后接从句。如： I observed that several students were asleep. 我注意到有几个学生睡着了。 以上就是小编给大家分享的英语感官动词的用法，希望可以给大家学习带来帮助。

英语感叹句是用来表示强烈感情的句子，如喜怒哀乐等等，句末用感叹号。英语语

语从句作为英语语

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。

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