问题:
It’s = it is(指代物体的单数它)
this is 这是…
here it is (口)地点副词
whose 谁的
人称代词几种情况:物主代词,名词性物主代词,名词所有格
名词所有格:人名+’s “…的“(形容词性物主代词,名词性的物主代词)
形容词性物主代词必须作定语,修饰别的词。
This is my pen.
This pen is mine.
This pen is Tim’s.
This is Tim’s pen.
对形容词性进行提问,后面的词不能省略。
Whose pen is this?
Whose is this pen?