动词不定式

课件32张PPT。Infinitive 动词不定式2013-11-15From the video, What do we need to do to keep away from H7N9?What do we try not to do to keep away from H7N9?预防禽流感之歌2013-11-15What do we need to do?What do we try not to do?2013-11-15动词不定式 Infinitive: to dowash the hands often. open the window often. have enough rest. do more exercise.We need toWhat do we need to do to keep away from H7N9?2013-11-15We try not to不定式的否定 not to doWhat do we try not to do to keep away from H7N9?eat uncooked food. spit around. go to the live-bird market.Before NowA:What does he need to do to lose weight(减肥）? B:He needs to... A:What does he try not to do to lose weight? B:He tries not to... letfinish agree preparehearplanmakewantenjoylearnhopefail expecttrypromisechoosedecide Pick up the verbs：verb+to doavoidThe rules ：verb+to do（want learn plan）（prepare hope expect） （agree choose）（decide promise）（try fail ）想要学习 有计划 多多准备 两希望 是否同意 供选择 最终决定 许诺事 尽力去做 零失败 v.承诺、许诺 Objective complement宾补You give him much advice. You advise him to do sports.un.建议You advise him not to eat fast food.v.建议The dog is lonely. What do you advise it to do ? I advise _____ to _____.itplay with a catThe little girl is ill. What do you advise her to do ? I advise _____ to _____.hersleepShe is tired. What do you advise her to do ? I advise _____to_____.herlisten to music order preparetellwantgethopeteach asktrypromisehelpPick up the verbs：verb+sb+to dolearnsb to do sthhelpteachtellaskwantordergetpromiseI saw you work together well just now. I heard you speak loudly, too.saw you worksee/hear sb do heard you speak一感：feel 二听：listen to hear 三让：let make have 四看：watch see look at notice Verb + sb + do 2013-11-15 Ken wants (practice/to practice) speaking English. 2.Lily plans (visiting/to visit) Harbin next year. 3.I tried my best (pass/to pass )the math test. 4.We promised (not to eat/to not eat )fast food. 5.My dad allowed me (go/to go) to the party to practice to visitto passnot to eatChoose the correct wordsto goMy dad allowed me to go to the party to let someone do 允许allow doing allow sb to doI'm free on Sunday,my mom （ ） 允许我看电视。allows me to watch TVHave a try1.?My mother often asks me _____ some cleaning on Sundays. A do B. does C. to do 2.?I watched her _____ in the next room last night. A.dance B. to dance C. dances 3.Tom hopes _____ a great football player,so he tells _____train him. ?? A. to be ,?his mom to B. become,to ? C . to becoming, his mom to 4.He needs _____ more English in and out of class. ??A. speak??B. ?speaks??C .to speak?? C. to do A.danceA. to be ,?his mom to C. to speak? 5.The girl wants ____healthy, so she tries____fast food. A. to be,to not eat ?B. being, to be? C.to be, not to eat 6.The students promised_____the old men who have no children. A.to help B.helping C.help 7.Parents don't allow their children ___in the river. A.swimming B.to swim C. swim C.to be, not to eat A.to help B.to swim ... ...