新概念英语第一册39课PPT课件

1、What are you going to say to him?第1页/共20页Dont drop it!第2页/共20页Lesson 39 Dont drop it! Lesson 39 Dont drop it! 别摔别摔了！了！第3页/共20页New words and New words and expressionsexpressionsfront front n. n. 前面前面in front of in front of 在在.（范围外）的前面（范围外）的前面 （不属于同一范围）in the front of in the front of 在在.（范围内）的前面（范围内）的

2、前面（属于同一范围） There is a mountain in front of the There is a mountain in front of the househouse。 房子前面有一座山房子前面有一座山 There is a blackboard in the front of There is a blackboard in the front of the the classroomclassroom。如：教师前面是一块黑板如：教师前面是一块黑板 第4页/共20页 The teacher is standing in front of The teacher is st

3、anding in front of the blackboard.the blackboard.The vase is in front of you.The vase is in front of you.There is a blackboard in the front There is a blackboard in the front of the classroom.of the classroom.第5页/共20页Is this your sons sweater?Is this your sons sweater?No. His is on the chair _ No. H

4、is is on the chair _ the desk.the desk. A. in front of B. in the A. in front of B. in the front of front of C. at the front of D . the front C. at the front of D . the front ofof第6页/共20页in front of the busin the front of the busfront n. 前面第7页/共20页careful careful adj. adj. 小心的，仔细的小心的，仔细的be careful wi

5、th be careful with sthsth/ /sbsb 对某物对某物/ /某人小心某人小心( (关心关心/ /仔细仔细) )be careful of be careful of 形容人很细心形容人很细心You are careful with my cat.You are careful with my cat.你对我的猫很你对我的猫很关心关心. .Its careful of you .Its careful of you .你很细心你很细心. .第8页/共20页2. Be careful! 2. Be careful! 小心！小心！ care + ful = careful 仔

6、细的仔细的care + less =careless 粗心的粗心的其他类似的表达：Watch out!Watch out!Look out!Look out!Caution! Caution! 注意！注意！ 第9页/共20页drop drop v. v. 掉下掉下drop backdrop back：逐渐落在（同伴等）后面逐渐落在（同伴等）后面drop behinddrop behind：落后于，移到落后于，移到后面后面drop bydrop by：顺便探望顺便探望drop in/on drop in/on sbsb: :看望，到某处一会儿看望，到某处一会儿drop offdrop off：1

7、. 1.小睡小睡 2. 2.锐减，下降锐减，下降drop sb./drop sb./sthsth. off. off：1. 1.停车让停车让sb.sb.下去下去 2. 2.顺路递送顺路递送sthsth. . drop out drop out : : 退出，退学退出，退学第10页/共20页 flower flower ：n. n. 花（通称）花（通称） flour flour： 面粉面粉( (同音词同音词) ) flower bed flower bed 花坛花坛 flower girl flower girl 卖花女孩卖花女孩第11页/共20页What are they talking ab

8、out?第12页/共20页1. What is Penny going to do with the vase?2. Does Sam want her to do that？3. So, what is Sam going to do with the vase?4. Finally, where is the vase?第13页/共20页There we are! There we are! 放好啦放好啦其他常用的表达：其他常用的表达：Here we go! Here we go! 开始啦！开始啦！There he/she is! There he/she is! 就是他了！就是他了！Th

9、ats it! Thats it! 就这样了！就这样了！Here we are! Here we are! 我们来啦！我们来啦！第14页/共20页定义定义 用于表达命令、请求、劝告、警用于表达命令、请求、劝告、警告、禁止等的句子叫做祈使句，祈使句告、禁止等的句子叫做祈使句，祈使句最常用于表达命令，因此在学校文法中最常用于表达命令，因此在学校文法中也常称为命令句。也常称为命令句。祈使句因对象（即主语）是第二人称，祈使句因对象（即主语）是第二人称，所以通常都省略。祈使句的动词都为一所以通常都省略。祈使句的动词都为一般现在时，句末则使用句号来表示结束。般现在时，句末则使用句号来表示结束。Gramma

10、rGrammar in use in use第15页/共20页Go and wash your hands.Go and wash your hands.（去洗你的手。（去洗你的手。命令）命令）Be quiet, please.Be quiet, please.（Please be quiet.Please be quiet.）（请安静。（请安静。请求）请求）Be kind to our sister.Be kind to our sister.（对姊妹要和善。（对姊妹要和善。劝告）劝告）Watch your steps.Watch your steps.（走路小心。（走路小心。警告）警告）L

11、ook outLook out！DangerDanger！（小心！危险！（小心！危险！强烈警告，已如感叹句）强烈警告，已如感叹句）Keep off the grass.Keep off the grass.（勿践草坪。（勿践草坪。禁止）禁止）第16页/共20页No parking.No parking.（禁止停车。（禁止停车。禁止）禁止）解说祈使句的否定通常使用解说祈使句的否定通常使用“Dont ”Dont ”，例如：，例如：Dont let the dog in.Dont let the dog in.（不要让那只狗进来。）（不要让那只狗进来。）Dont touch, please.Dont touch, please.（请不要用手触摸。）（请不要用手触摸。）Dont be silly.Dont be silly.（别傻了。）（别傻了。）祈使句也常把主