图片发自简书App this that it1.this that 是指示代词,it是人称代词。2.this (这个)距离说话人近的人或者物。 that(那个)距离说话人远的人或者物。This is a ruler.这是一把尺子。That is a pen.那是一支钢笔。3.this is 不可以缩写,that is 可以缩写成that's4.向别人介绍某人时,用This is...This is Helen.这是海伦。5.在电话用语中,我是某某。要用This is xxx.询问你是谁?要用 Who's that ?This is Sunny.我是Sunny.Who's that ?你是谁?6.在回答this 或that做主语 的疑问句,要用it回答。Is this your book ?Yes,it is.Is that a cat ?No,it isn't.What's that ?It's a monkey.7.these those是指示代词。these(这些)是this 的复数形式。指时间、距离较近的或下面要提到的人或物。those(那些)是that的复数形式。指时间、距离较远的或者前面提到的人或物。在回答these 、those做主语的疑问句,要用they回答,来避免重复these、those.Are these apples ?Yes,they are.Are those boxes ?Yes,they are.What are these ?They are cars.