在英语语法中,主语从句是指在一个句子中,主语部分是由一个小句子来构成的。主语从句在句子中担任主语的作用,因此它对于句子的语义和结构非常重要。主语从句的连词是指将主语从句与主句连接在一起的词语。下面是一些常用的主语从句连词:
- that "that"是最常用的主语从句连词。它可以引导一个陈述句的主语从句,例如:
- That he is coming to the party is good news.
- That she didn't come to the meeting was disappointing.
- whether "whether"也是一个常见的主语从句连词,用于询问或引导两个选择中的一个,例如:
- Whether he will come to the party or not is still uncertain.
- I don't know whether I should stay or leave.
- if "if"是一个条件从句,但也可以用于引导主语从句,例如:
- If it is true that he stole the money, he will be punished.
- If he comes to the party, we will have a great time.
- who, whom, whose "who","whom","whose"都可以引导主语从句,用于描述人或动作的执行者,例如:
- Who will be the next president is still unknown.
- Whose dog is barking loudly outside?
- what, whatever "what"引导的主语从句通常用于强调或提问,而"whatever"则表示不管什么,例如:
- What you said is not true.
- Whatever he does, I will always support him.
以上就是主语从句常用的连词,掌握这些连词可以帮助我们更好地理解英语句子的结构和语义。