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1、七年级下册英语第一单元知识重点Unit 1 1.sing-singer 2.swim-swimmers 3.dance-dancer 4.Piano(名词，钢琴)painist 5.Violin-violinist 27.Music-musician 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the 1.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
2、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
3、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
4、影中扮演一个重要的角色 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+具体说话内容 1.What do you want to say? 2.Please say it in English. 3.She says,”China is great.” 1 Talk 说话；谈话 say 强调说的内容 speak+某种
5、语言 “讲各种语言” Speak 说某种语言的能力或方式 1.I can speak Chinese and a little English(我会说汉语和一点英语) Tell 告诉 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) 1.tell sb.sth.=tell sth to sb告诉某人某事 My teacher often tells us some interesting sto
6、ries.= My teacher often tells some interesting stories to us. 2.tell sb 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.撒谎 Dont tell lies!别
7、撒谎！ 辨析：Join 与take part in Join 加入某一组其后还可以接表Join the party 织，成为其中示人的名词或代Join the league Join the army 一员 词 Join the club take part in 参加会议或群强调句子主语参Take part in the meeting 众性活动 加该项活动，并Take part in the Olympic Gamesl 在其中发挥作用 (参加奥林匹克运动) 2 .be good at.=do well in.擅长. Eg:1.I am good at playing computer g
8、ames. = 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
9、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 like v.ing What 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 3
