九年级Units 34,人教版新目标复习课件,1Sixteen year olds should be allowed to get their ears pierced. 十六岁的孩子应该被允许扎耳洞。(Unit 3) get their ears pierced使用了get sth. done结构,意为“使被做;让(某人)做某事”,done为过去分词作宾语补足语,和宾语之间构成被动关系,相当于have sth. done。 Youd better get/have your pencil cut. 你最好削削你的铅笔。 【辨析】 have sb. do sth.,get sb. to do sth.与have sth. (sb.) doing sth,have sb. do sth.让某人做某事。用不带to的动词不定式作宾补。 get sb. to do sth.使(让)某人做某事。用带to的动词不定式作宾补。 have sth. (sb.) doing sth.使某人/某物一直做某事 The teacher has us clean the classroom every day