1;It,指代‘原物’I lost my pen but yesterday I find it.
2;That.‘那个’可以 引导定语从句,宾语从句,表语从句,同位语从句和主语从句,后四3;个叫名词性从句.1)I like that man .2)I knew her mother that is a singer.
This.指“这个”This is my friend.
4;its译为‘它的’是形容词性物主代词.My dog,its tail is yellow.
连词it、that 、this 、its 的用法