八年级上册语法系动词---感官动词练习(共2页).doc

精选优质文档-倾情为你奉上 系动词之 感官动词知识点讲解1. 感官动词用法之一：see, hear, listen to, watch, notice等词，（后接宾语，再接动词原形或ing形式。前者表全过程，后者表正在进行。句中有频率词时，以上的词也常跟动词原形。） I heard someone knocking at the door when I fell asleep. (我入睡时有人正敲门) I heard someone knock at the door three times. (听的是全过程) I often watch my classmates play volleyball after school. (此处有频率词often) 若以上词用于被动语态，后面原有动词原形改为带to不定式： We saw him go into the restaurant. He was se