where is the library?,指示代词,指示代词：表示“这个”、“那个”、“这些”、“那些”等意思的代词称为指示代词。指示代词有：this, that, these, those, it等。（1）this, that, these, those的用法1.在句子中作主语、宾语或定语This is a notebook.I like this (these), but she likes that (those).,指示代词,2.this (these) 一般用来指时间或空间上较近的人或物，而that (those) 则常指时间或空间上较远的人或物：These are students, and those are teachers.This is my teacher ,and that is her teacher.,指示代词,3.为了避免重复前面的名词，可以用that 或those 来代替它：Come at 7 oclock-that is early enough.,方位词,Behine 在后面In front of 在.前面Next to 在旁边Make a sentence.汤姆在比尔的前面。车站在邮局的旁边。在车站的后面是一个超市。,
