人教版八年级英语下册 Unit2第3课时 教学课件PPT初二公开课

1、Unit 2 Ill help to clean up the city parks.Section A Grammar focus-4c初中英语 八年级下册 RJNew words: raise, midnight, aloneSentences:Id like to help homeless people.You could ask hospitals to let you visit the kids and cheer them up.Gramma: 短语动词动词不定式Learning goalsFree talkIf we are volunteers, we could . vi

2、sit the sick kids in the hospital to cheer them up / help to clean up the street / help children with their homework / help the old people .Warming upId like to help homeless people.She decided to try out for a volunteer after-school reading program.You could ask hospitals to let you visit the kids

3、and cheer them up.Mario believes it can help him to get his future dream job.She volunteers there once a week to help kids learn to read.Im making some signs to put up around the school.Grammar focusPlease circle the phrasal verbs.Id like to help homeless people.She decided to try out for a voluntee

4、r after-school reading program.You could ask hospitals to let you visit the kids and cheer them up.Mario believes it can help him to get his future dream job.She volunteers there once a week to help kids learn to read.Im making some signs to put up around the school.Language pointsIm making some sig

5、ns to put up around the school. (教 材P12 Grammar Focus)put up张贴At the Spring Festival, people put up “Fu” on doors or windows.put up建造，搭建举起taught us how to put up a tent. know the answer.Id like to put up an idea提出(建议等) for the task.Put up your hand if you【拓展延伸】put up的其他常用含义：He went camping with us a

6、nd短语动词一、语法概述短语动词是由动词加介词、副词或其他 词构成的固定词组或习语（idioms），其作用 和动词差不多。有些短语动词相当于及物动 词，有些则相当于不及物动词。二、常见短语动词的类型和用法(1)动词+介词相当于及物动词，后面必须有宾语，且宾语只能位于介词之后。look after 照顾care for 非常喜欢；照顾look at看 think about 考虑 agree with 同意wait for 等待I agree with what you said.He cared for her more than she realized.(2)动词+副词可看作及物动词，名词

7、作 宾语时，可位于动词与副词 之间或副词之后；代词作其 宾语时，只能位于动词与副 词之间。有的也可看作不及物动词。cheer up 振奋起来 clean up 打扫干净 give up 放弃put off 推迟 take away 拿走 fix up 修理turn down 调低；拒绝This is a new word. Youd better look it up in the dictionary.Its too noisy. Please turn down the TV. =Its too noisy. Please turn the TV down.catch up with 赶上

8、look forward to 期望come up with 想出run out of 用完，耗尽He worked hard to catch up withhis classmates.Im looking forward to the weekend.(3)动词+副词+介词相当于及物动词，宾语位于介词之后。make fun of取笑make use of 利用pay attention to 注意take care of 照顾make friends with 与交往Its impolite to make fun of your classmate.We could make bett

9、er use of our resources.(4)动词+名词+介词相当于及物动词，名词前可加形容词说明程度，宾语位于介词之后。volunteers for their after-school programs.4aFill in the blanks with the phrasal verbs in the box.I want to _p_u_t _o_ff_ my plan to work in ananimal hospital until next summer. Im be busy with. 忙于，后接名词或代词 too busy with my studies this

10、 year.She hopes to _c_a_ll_u_p at least five primary schools to ask if they needput up hand out call up cheer upcome up with give output offOur class is trying to _c_o_m_e u_p_wit_h_ some ideas to_c_h_e_e_r _u_p_ sick children because they are often sad.We decided to _p_u_t _u_p_ signs around the sc

11、hool and_h_a_n_d_o_u_t_ notices to tell students about the book sale. We will _g_i_v_e_o_u_t the money from the sale to homeless people.Please underline the infinitive structures.You could ask hospitals to let you visit the kids andcheer them up.Mario believes it can help him to gethis future dream

12、job.She volunteers there once a week to help kids learnto read.Id like to help homeless people.would like to doask sb. to dovolunteerto dolearn to dodecide to doShe decided to try out for a volunteerafter-school reading program.help sb. to doIm making some signs to put up around the school.maketo do

13、动词不定式一、语法概述动词不定式的基本形式是“to+动词原形”，有 时to可省略。它没有人称和数的变化，在句中不 能作谓语。其否定形式为“not to+动词原形”。二、动词不定式的用法常接动词不定式作宾语的动词有：1.动词不 式作宾语begin/start）Lily wants to find a job as an English teacher in Beijing.He decided to help the homeless.想要 拒绝 忘记 (want, refuse, forget)定需要 努力 学习 (need, try, learn）选择希望同意决定帮助 (choose, ag

14、ree, help）开始 (hope/wish/expect, decide,2.动词不定式作宾语补足语常接动词不定式作宾补的动词有：ask, allow, tell, want, teach, wish, help, warn, invite, encourage 等。Sam asked me to help him.The teacher always tells us not to swim in the river.3.动词不定式作目的状语动词不定式（短语）作目的状语, 可以放在句首,一般用逗号与后面的内容隔开, 也可以放在句尾。To get there on time, they s

15、tarted early. 4.动词不定式作主语动词不定式（短语）作主语时，通常表示一个具体的、特定的行为，其谓语动词用单数形式。To know oneselfis difficult. 人能自知，实属不易。5.动词不定式作表语My duty is to look after the animals.6.动词不定式作定语动词不定式作定语时通常要放在所修饰词之后。Who was the first one to arrive?三、使用动词不定式（短语）需要注意的几个问题1.不定式（短语）作主语时，常由it代替它作形式主语，而将不定式放到谓语的后面。主要有三种情况。It is +名词 + to d

16、o sth.Its our duty to take good care of the old.It takes sb. +sometime + to do sth.It takes us two hours to finish the work.It is+形容词(easy, important, difficult, foolish, right, wrong.) (+for/of sb.)+ to do sth.It is not easy to catch fish with your hands only.It is very important for young people t

17、o master two foreign languages.It is clever of you to do that.feel, find, make, think等动词后如果是不定式（短语） 作宾语，且宾语补足语是形容词或名词，常用it作形式 宾语，把不定式（短语）放到宾语补足语之后。I find it necessary to have breakfast.I think it important for us to study hard now.3.有一些动词后用作宾语补足语的不定式（短语）通常 不带to，这样的动词主要有三看 ( see, watch, notice )、 三让(

18、 let, make, have )、二听( hear, listen to )、一感觉( feel )。【特别提醒】动词不定式（短语）在help后作宾补时， 可带to也可不带to。Did you notice her leave the house?I saw her get into the car.His parents make him sweep the floor.The teachers often help us (to) solve problems.4b Fill in the blanks with the correct forms of the verbs in th

19、e box.helpmovedomakevisitspendMost people today are only worried about getting good jobs be worried about 担心_to m_a_k_e_ lots of money. In their free time, they think aboutwhat _to d_o_ for fun. However, few people think about what they can do _to h_e_lp_ others. There are many people who are less l

20、ucky than us.Volunteering our time to help these people is a good way_to sp_e_n_d_ our free time. For example, we can make plans_to v_is_i_t _ sick children in the hospital or raise money for为筹款homeless people. Some people even stop doing their jobsfor a few months to a year _to m_o_v_e_ to another

21、place, like one of the countries in Africa, and help people there.4c Complete the sentences with your own ideas. Use infinitives.1. Id like to volunteer _a_t_t_h_e_f_o_o_d_b_a_n_k_a_n_d h_e_lp to g_iv_eo_u_t fo_o_d to h_o_m_e_l_e_ss p_e_o_p_leAt 12:00 midnight, I called my friend_to as_k h_im a_n im

22、p_o_r_ta_n_t_q_u_e_s_ti_o_n.Im very busy but I could help _to p_a_in_t_t_h_e_h_o_u_s_e_f_o_r_a_fe_w h_o_u_r_s_t_o_m_o_r_ro_w.4. Summer vacation is coming, and I want_to v_is_i_t _m_y g_ra_n_d_p_a_r_e_n_ts in H_u_n_a_n5. I want to travel alone. My parents told me (not)_n_o_t_to d_o_t_h_a_t _b_e_ca_u_

23、s_e_I a_m to_o y_o_u_n_g_a_n_d it_i_s_n_o_t_s_a_fe.A. give up itC. give it upB. give them upD. give up themC1.(2021襄阳中考) Jim, please help me Dthe tent.OK. Im coming. Its exciting to sleep in it tonight.A. get onB. get offC. pull downD. put up 2.Its not good for you to smoke so much. Youd betterExerc

24、ises一、单项选择A. take upC. look intoB. put awayD. give out3.(2021福建中考) I havent Byour phone number yet. Could you say it again?Certainly. Its 8250-2336.A. put upB. written downC. thrown away 4.(2020安徽中考) We are supposed to Bsmart phones and take more exercise instead.5.(2021福建中考) Our school has held man

25、y activitiesthe 100th birthday of the Communist Party of China.CA. celebrateB. celebratedC. to celebrate6.(2021怀化中考)The government asks peoplethe rubbish from their daily life in different groups.A. to putB. puttingC. putA7.(苏州中考) Please stay with me this weekend.Im sorry, but my father and I plannedBeijinga long time ago.A. visitB. visitingC. to visitD. visitedC8.(2021自贡中考改编) What do you think of learning Chinese, David?Actually, I find it hardA. learningB. learnChinese well in a short time.C. to learnC9.(2021吉林中考) Mr. White