Unit 4Wheres my schoolbag,单元易错专题,典例】Where is my schoolbag? 【精讲】where为疑问副词,意为“在哪里”,常用来引导特殊疑问句。句型“Wherebe主语?”常用来询问某人或某物的方位,be动词的形式要和主语保持一致,易错点一:where 的用法,精练】 1_ is my sister, Mom? In her room. AWhoBWhatCWhereDHow 2Where is the radio? _ under the chair. AThis is BThat is CIt is DThey are,C,C,3_? Theyre on the sofa. AWhere are my books BWhere is my book CWhere is my books DWhere my books are,A,典例】My hat is on the bed. 【精讲】这三个词都是介词。on意为“在上”,其后常接名词或代词构成介词短语,表示位置关系,强调一物在另一物的表面上,且两物体有接触面;under意