七年级下册英语第一单元知识重点.doc

Unit 11.sing（动词，唱歌）-singer（名词，歌唱家）2.swim（动词，游泳）-swimmers（名词，游泳者）3.dance（动词，跳舞）-dancer（名词，舞蹈家）4.Piano(名词，钢琴)painist（名词，钢琴家）5.Violin（名词，小提琴）-violinist（名词，小提琴家）27.Music（名词，音乐）-musician（名词，音乐家）Play与表示棋类、体育活动的名词连用时，中间不用任何冠词。表示弹奏乐器时，乐器的名词前加the1.play the guitar弹吉他 2.play the piano弹钢琴 3.play chess下国际象棋 4.play baseball打棒球Play作玩耍时常用作不及物动词，play with则相当于及物动词，后面跟宾语，表示“以自娱”1.Dont play with fire/water.(不要玩火/水)2.The children are playing by the lake.(孩子们正在湖边玩)Play a part in意思为“参与某事；在方面起作用”后接名词、代词或动词的ing形式。1.Everyone should play a part in saving the earth.(每个人都应该参与到拯救地球的行列中去)动词play作“演奏曲子”；“扮演”，如1.He often plays some light music for me.(他经常给我演奏一些轻音乐)2.We have to play the same piece again and again every day.(我们不得不每天演奏同一首乐曲)3.He played Lu Xun in the film.(他在电影中扮演鲁迅)Play a role in意思是“在中发挥作用/扮演角色”1.When people watch the show,they usually play a role in deciding the winner.(当人们观看表演时，他们通常发挥决定冠军的作用)2.Fan Bingbing plays an important role in the film.范冰冰在这部电影中扮演一个重要的角色Talk说话；谈话talk to/talk with sb.与某人交谈；Talk about sth.谈论某事1.Dont talk to me,Im busy.2. I like to talk to/with him.3.He is talking with his friends about their homework.say强调说的内容say+具体说话内容（Please say it in English.“请用英语来说它”） 1.What do you want to say?2.Please say it in English.3.She says,”China is great.”Speak说某种语言的能力或方式speak+某种语言“讲各种语言”1.I can speak Chinese and a little English(我会说汉语和一点英语)2.May I speak to Lucy?(我可以和Lucy通话吗？)3.Who will speak at the meeting?(谁将在会上发言？)4.The baby is too young to speak.(这个婴儿太小不会说话)Tell告诉1.tell sb.sth.=tell sth to sb告诉某人某事My teacher often tells us some interesting stories.= My teacher often tells some interesting stories to us.2.tell sb（not）to do sth.“告诉某人不要做某事”Tell him (not) to close the door.3.tell sb.about sth.告诉某人关于某事.Please tell us about your school.tell a story/tell stories“讲故事”4.You are good at telling stories.5.tell(sb.) a lie/lies.（对某人）撒谎Dont tell lies!别撒谎！辨析：Join 与take part inJoin加入某一组织，成为其中一员其后还可以接表示人的名词或代词Join the partyJoin the leagueJoin the armyJoin the clubtake part in参加会议或群众性活动强调句子主语参加该项活动，并在其中发挥作用Take part in the meetingTake part in the Olympic Gamesl(参加奥林匹克运动).be good at.=do well in.擅长.Eg:1.I am good at playing computer games.= I do well in playing computer games.be good for“对.有益”反义词be bad for“对.有害”Eg:Running is good for your health.“跑步有益于你的健康”.tell a story/tell stories“讲故事”.Write to sb.“给某人写信”.Show sb sth=show sth to sb.“給某人看某物”.Be good with“善于应付.的”Eg: She is good with chindren.Made friends with sb.”与人交朋友“.Help sb. with sth“在某方面帮助某人”=help sb. to do sth.on the weekend在周末.Teach sb. to do sth教某人去做某事.Need做实意动词，其后应接to do形式，但当情态动词讲时，其后应接动词原形。Eg: 1. She needs to buy a pen.(时义)2. He need go to school now!(情态)在回答情态动词need所引导的一般疑问句中，做肯定回答，常用must做否定回答则用neednt。Eg: Need I do it now?Yes, you must.No, you neednt.like to+动词原形（I like to play basketball.）like v.ingWhat soprts can you play?你会做什么运动?Join the soccer club 参加足球社团Youre very good at telling stories你很善长讲故事4