1. have/has和is/are——用翻译法做题用法：①主语单三用has——He has a pen./Jane has a big head./Your mom has a pen.②主语是其它人称用have——They/We/A and B have wide mouths.③单数名词和hair用is，复数名词用are⦿have/has的否定句、一般疑问句及回答I have a big head.——I don’t have a big head./Do you have a big head? Yes, I do./No, I don’t.He has short hair.——He doesn’t have short hair./Does he have short hair? Yes, he(she) does./No, he(she) doesn’t.They have wide mouths.—They don’t have wide mouths./Do they have wide mouths? Yes, they do./No, they don’t.2. 助动词do（原形）和does（do的单三）——在否定句和疑问句中才出现⦿本单元动词及单三：have-has, look-looks, come-comes, like-likes喜欢, find-finds, buy-buys, think-thinks, want-wants, give-gives, know-knows①肯定句：主语单三，动词单三eg: He has a pen./Jane looks like her mom./Maria comes from Cuba.②一般疑问句：动词单三，助动词单三（选Does放句首），同时动词还原eg: Does he have a pen?/Does Jane look like her mom?/Does Maria come from Cuba? 一般疑问句的回答：Yes, he/she does. No, he/she doesn’t.③否定句：动词单三，助动词单三（选does放主语后，并加not），同时动词还原eg: He doesn’t have a pen./Jane doesn’t look like her./Maria doesn’t come from Cuba.3. sb.+ have/has (a/an)+形容词+五官=sb.’s 五官 is/are+adj.规则：①mouth, head, nose, face, neck别忘了前面加a（被my, his, her修饰不加）②eyes, ears, hands, legs, feet习惯用复数，前不能加a/an！！③hair不可数，不能加a或s，表示“头发是…”只能用is!⦿④多个形容词排列：先形状，后颜色——long black/short blond…对“长相，相貌”提问用What does…look like?eg：Lily has a small nose.=Lily’s nose is small.I have big eyes. = My eyes are big. He has a small mouth. = His mouth is small. Jane has long black hair=Jane’s hair is long and black.4. I see.=I know. 我知道了——I don’t know.⦿know sb. 认识某人eg: I know Kangkang./her(him).——I don’t know him/her. (动介之后用人宾) Do you know him/her/Jane? --Yes, I do./No, I don’t. He/Jane knows her/him.——He/Jane doesn’t know her/him. Does he/Jane know her/him? --Yes, he/she does./No, he/she doesn’t.5. one 代同类中的一个, ones 代同类中的多个eg: ①This coat is nice, I want one, too. ②The apples are green, I want some red ones.6. come from & be from 来自于…一、二和复三人称：I/You/We/They come from China.=I/You/We/They are from China. Do you/They come from China?=Are you/they from China? ——Yes, I(we)/they do./No, I(we)/they don’t.单三：He/She/Jane comes from America.=He/She/Jane is from America. Does he/she/Jane come from America?=Is he/she/Jane from America? ——Yes, he/she does./No, he/she doesn’t. Yes, he/she is./No, he/she isn’t.7. 几组反义词：（表示转折，中间常加but）short-long/tall, short=not long/tall big-small, big=not smallwide-small, wide=not small young/new-old, old=not young/newthe same-different, the same=not different boy-girl, man-woman8. You’re right.(You are right.)=That’s right. 表示赞同别人的话9. the same+单数（同一个）different+复数（不同的，至少两个） ⦿a different+单数——He is in a different school.10. China (n.) 中国, Chinese (n.) 中国人, 汉语 (adj.) 中国的eg: We are from China, we are ChineseChinese teacher Chinese boy/girl/man/womanEngland (n.) 英国, English (n.) 英语 (adj.) 英国的eg：They come from English, they speak English.English teacher English boy/girl/man/woman11. look (v.) 看起来 looks (n.) 长相（固定加s）eg: look the same——They/A and B look the same.=They/A and B don’t look different.look different——A and B look different.=A and B don’t look the same.look at +名词——看某人/物——Look at this photo/me. Look! 只是一个动作look like——He looks like a panda.——Does he look like a panda?What does he/she/Jane/Michael look like?重点辨析：have different looks = look different=don’t look the samehave the same looks.=look the same=don’t look different12. give (v.)——give sth. to sb.=give sb. sth.eg: Give money to me.=give me money. 动介之后用人宾give it/them to him. ⦿当某物是it/them时，只能用give sth. to sb.13. 几个要注意的名词复数knife-knives——以f, fe结尾的，去f, fe加vesman-men, woman-women, snowman-snowmen——a改为ebaby-babies, family-families——以辅音字母+y结尾的，去y加iesboy-boys, toy-toys——元音字母+y结尾的，直接加sphoto-photos——除了hero, potato和tomato加es，其它o直接加s 特殊的：Women’s Day, man teacher-men teachers, woman doctor-women doctors14. color (n.) 颜色 (v.) 给…涂色用法：①What color+is+单数名词/hair? --It’s...What color+are+复数名词? --They’re...②Color it+颜色——把…涂成…颜色——Color it/the dress red.③Red and Yellow is... 两种颜色混合在一起成一种What is Orange and black? It’s… (类似What’s one and two? It’s three.）④short (and) brown/big (and) red/long (and) blue 先形状，后颜色⑤be in+color——表示“穿着...颜色的衣服”——I am(He is) in red/blue/yellow be in a/an +颜色+服装 表示穿（戴）着一件……颜色的服装⦿⦿The boy/girl in red/blue/yellow常常接在名词的后面，表示“穿…颜色衣服的…（人）”eg：The girl in red is my sister. The man in a black coat is my father. ⑥orange (n.) 橙子, 橙色, green hands 新手, black sheep 害群之马, black tea15. 人称代词和物主代词主格IyouhesheitwetheyLucy宾格meyouhimheritusthem形物代myyourhisheritsourtheirLucy’s名物代mineyourshishersitsourstheirs步骤：用翻译法，是“某人”（人称单词）还是“某人的”（物主代词） ①是“某人”，人称代词的。