this is that is,whatisthis

this is pen that this is pencil
this is 这是 (向别人介绍离 你近的人或物) that is 那是 (向别人
this is my father. that is his car.
grammer--3cppt 指示代词 this that these those 第7页 (共41页
七年级上册英语教学课件(牛津译林版):unit 1 this is