1、Unit2:Ill help to clean up the city park.Section A:知識點一：clean up的用法：打掃干凈如果賓語是名詞：可放在之間或者末尾是代詞：只能在之間。例題：On Earth Day, many people in our city go to Peoples Park to .A. Clean up it B.clean them up C.clean it up D.clean it up知識點二：cheer up使變得高興；振奮起來如果賓語是名詞：可放在之間或者末尾是代詞：只能在之間。例題：John isnt happy today.Lets

2、 go and . Good idea.A. cheer him up B.cheer up him C.to cheer up知識點三：give out散發(fā)，分發(fā)如果賓語是名詞：可放在之間或者末尾是代詞：只能在之間。give的其他短語Give away 贈送 give up 放棄 give back 歸還 give off 發(fā)出 放出Give sb sth給某人某物 give in屈服例題：Could you please teach me how to red envelopes on WeChat?Sure. Let me show you.A.give out B.give back

3、C.give way知識點四：put offput off意為“推遲”。The concert was put off because of the heavy rain.演唱會因為大雨而被推遲了。拓展：常見的put短語有：put off推遲；延遲穿上；put on展出；上演 戴上put away收起來put out熄滅；撲滅put up with容忍put up搭建；建造 張貼 提升例4They the date of the meeting because of the bad weather.A.put offB.gave awayC.put onD.turn down知識點五used

4、to的用法used to表示“過去常常；以前經(jīng)常”，后跟動詞原形，用來描述過去經(jīng)常發(fā)生的動作或存在的狀態(tài)。He used to play the guitar.他以前經(jīng)常彈吉他。used to在變否定句或一般疑問句時常借助動詞did。具體如下：肯定句主語+used to+動詞原形.否定句主語+didnt use to+動詞原形.一般疑問句Did+主語+use to+動詞原形.？肯定答語Yes,主語+did否定答語No,主語+didnt.辨析used to和be used to詞組含義used to用法后跟動詞原形。用于描述過去經(jīng)常發(fā)生的動作或存在的：態(tài)，該動作或狀態(tài)現(xiàn)在已經(jīng)不再繼續(xù)be use

5、d to習(xí)慣后跟名詞、代詞或動名詞例5(2021遼寧鞍山海城西部集團期中)I used to TV on Saturday morning,but now I am used to books in the city library.A.watched;readingB.watch;readC.watching;readD.watch;reading答案D解析句意：我過去常常在星期六早上看電視，但現(xiàn)我習(xí)慣在市圖書館看書。used to do sth.意為“過去經(jīng)常做事”，排除A和C;be used to doing sth.意為“習(xí)慣做某事故選D。知識點六“疑問詞+不定式”的用法how to

6、care for animals屬于“疑問詞+不定式”的結(jié)構(gòu)該結(jié)構(gòu)在句中作介詞about的賓語。該結(jié)構(gòu)還可以轉(zhuǎn)換為語從句how I can care for animals.當“疑問詞+不定式“結(jié)在句中作賓語時，通常可以轉(zhuǎn)換為賓語從句。We dont know how to use the camera.=We dont know how we can use the camera.我們不知道怎樣使用這個照相機。例6(2021湖南岳陽長嶺中學(xué)第一次月考)一11simportant for us to knowall the subjects.-Yeah,group work is my fav

7、orite.A.how to studyB.when to studyC.what to study答案A解析句意：對于我們來說，知道如何學(xué)習(xí)所有課程是重要的。是的，小組討論是我的最愛。根據(jù)答語中的“group work is my favorite”可知，上句指學(xué)習(xí)方式，應(yīng)用“how+不定式”結(jié)構(gòu)。故選A。知識點七care for的用法意為“照顧；非常喜歡”。She doesnt care for skating.她不喜歡滑冰。The sick must be cared for.病人應(yīng)被照料。拓展careful adj.小心的careless adj.粗心的派生詞carefully adv.小心地carelessly adu.粗心地care的延伸care for照顧；喜歡care about關(guān)心；在意短語take care小心；當心take care of照顧；照料例7(2021遼寧鞍山鐵東區(qū)期中)一Could you tell me how the baby?-Of course.A.looking afterB.to care forC.to