一个人能走多远，关键在于他年青时能看多远！使役动词使役动词是表示使、令、让、帮、叫等意义的动词。主要有leave, get, keep, make(使,令), let(让), help(帮助), have(有；让；从事；允许；拿)等。1、使役动词后接的人称代词作宾语时，人称代词用宾格。 He made me(宾格) laugh. 他使我发笑。 I let him go. 我让他走开。 I helped him repair the car. 我帮他修理汽车。 Please have him come here. 请叫他到这里来。 2、have的用法a. have somebody do sth 让某人去做某事I had him arrange for a car. b. have somebody doing sth. 让某人持续做某事, 让某人一直做某事。He had us laughing all through lunch. c. have sth done 让某物，某事被别人做。被动 这个动作不是主语做的，而是别人做的。 you d better have your teeth pulled out. 你最好让医生把你的牙齿拔了。He had his pocket picked. 他的口袋被别人盗了。3、make的用法a. make sb do sth 让某人干某事 They made me repeat the story. What makes the grass grow? b. make sb done sth （done表示被动） He couldnt make himself heard above the noise of the traffic. His actions made him universally respected. 4、get的用法a. get sb to do 使某人干某事 I cant get anyone to do the work properly. b. get sth done 让别人干某事 （表示被动） I must get my hair cut. 5、leave的用法a. leave sb to do sth 让某人干某事We left him to paint the gate. Ill leave you to settle all the business. b. leave sb doing 让继续处于某种状态Dont leave her waiting outside in the rain. We left him painting the gate. c. leave sth done (表示被动) Please excuse me if I have left any of your questions unanswered. 6、make /have/ let/help +sb +do sth. 用“不带to的动词不定式”结构做宾补的动词主要有2类：1. 使役动词have, let, make等；2. 感官动词“五看两听一感觉”，即五个看的动词：see, watch, notice, observe, look at; 两个听的动词：hear, listen to; 一个感觉：feel.这些动词都可以跟sb do sth, 表动作完成；也可以跟sb doing sth，表动作正在进行。We saw the car stop.We saw the girl running toward us.但在被动句中，原不带to 的不定式宾补还原为带to 的不定式做主语补语：They made us wait for three hours.-We were made to wait for three hours.We saw the car stop.-The car was seen to stop. 使役动词练习题1. The cry of the baby makes her . (cry/crying).2. My teacher wanted me to clean the classroom. （用have改写） 3. Her mother asked her to clean the room. （把asked改为made） 4. (1) I practiced speaking English. (2) My mother had me do it. （合并成一句） 5. My brother asked me to study English. （将ask改成make） 6. My father wants me to go to the movies with Judy. （用let改写） 7. Mrs. Huang didnt want him to go to the movies. （用let改写） 8. (1) Mom clean the house and cooked dinner. (2) I helped Mom do these things.（用helped改写） 9. (1) The boys are playing in the water. (2) Let the boys not do it. （用Let合并） 2Strong新概念英语训练基地