预约小初高69元1对1在线体验
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初一英语知识点:句子构成
一、主语(subject): 句子说明的人或事物。
The sun rises in the east. (名词)
He likes dancing. (代词)
Twenty years is a short time in history.(数词)
Seeing is believing. (动名词)
To see is to believe. (不定式)
What he needs is a book. (主语从句)
It is very clear that the elephant isround and tall like a tree.
(It形式主语,主语从句是真正主语)