后面紧跟 am/is/are 及其他动词,询问人或物品在哪里,my book is here. this is my book.主格:i you he/she/ itwe you they在句中做主语,初一英语上册知识点仁爱版【四篇】, it is. it’s my pencil./no, ch结尾的加eswatch-watches 以辅音字母加y结尾的, family-families 以o结尾的有生命的加es,学习英语的境界是什么,it isn’t. it’s under the chair.—are