because 引导原因状语从句时,叫从属连词;但如果because引导表语从句呢?它是什么连词。如:It is because he is too foolish. 那是因为他太蠢了。It is because I love you too much. 那是因为我太爱你了。这类句子中的 because 叫什么连词?
what和how引导的感叹句,其中有一个What a red apple it is= How red an apple it is. 复数时可否换成What red apples they are=How red apples they are?还是只能How red apples are?那为什么单数时不表述为: How red a apple is.
...ody, Einstein is a famous scientist.As is known to everybody是非限定性定语从句,它放在前面,然后这句的末尾与主句之间用了一个逗号隔开。3. Einstein, as we all know, is a famous scientist.这句话也是在as从句后与后面的主句之间隔了一个逗号。请...