一、人称代词:第一人称、第二人称和第三人称,有主格和宾格的区分。
主格:I, you, he, she, it, we, you, they
我是I,你是you,he she it他她它,我们we,你们you,他们要用they,they,they.
宾格:me, you, him, her, it, us, you, them
二、it 的特殊用法
1. 指天气、距离、长度、时间等,举例:
It's fine today. 今天天气很好。
What time is it?——It’s 5 o’clock.
2. 用在很难判定性别的情况下,举例:
(门外有敲门声……)
—— Who is it? 谁呀?
3. 指前文整体意思。
It's a good idea. 好主意。