連詞it、that 、this 、its 的用法

1;It,指代‘原物’I lost my pen but yesterday I find it.

2;That。‘那個’可以 引導定語從句，賓語從句，表語從句，同位語從句和主語從句，後四3;個叫名詞性從句。1)I like that man .2)I knew her mother that is a singer.

This。指“這個”This is my friend.

4;its譯為‘它的’是形容詞性物主代詞。My dog, its tail is yellow.