新概念第一册讲义Lesson 45 The boss’s letter

Lesson 45 The boss’s letter 授课内容： 一句型 I can see the teapot, but I can’t see the tea. Can you type this letter Come here来这 Next door 隔壁 What’s the matter 怎么了？ 二．重点语言点 1. 情态动词can的用法 1.情态动词后跟动词原形 can+动词原形 2. 情态动词没有人称和数的变化 I can swim. He can swim. 3. 情态动词can的用法 . 表示能力 “会， 能” I can sing. . 表示允许 “可以” Can I come in .表示可能性 “可能” This can't be my book. 4. Can的各种句型 ①.肯定句 主语+can+动词原形+其他 I can swim. ②. 否定句 主语+can’t+动词原形+其他 I can't swim. ③. 一般疑问句 Can+主语+动词原形+其他 Can you swim ④. 特殊疑问句 特殊疑问词+can+主语+动词原形+其他 What can you do 可数名词单数变复数规则 1. 一般的名词词尾直接加-s 。如： 　　 book → books room → rooms house → houses 2. 以s,　sh, ch, x 结尾的名词，在词尾加-es 。如： 　　 bus → buses dish → dishes watch → watches box → boxes 3. 以"辅音字母+y"结尾的名词，要先变y为i再加-es。如： 　　 city → cities body → bodies 注：以“元音字母+y”结尾的名词，直接在词尾加-s。如： boy→boys toy→toys monkey→monkeys 4. 以f 或fe 结尾的名词，要将f或fe改为v再加-es。如： 　　 wife→wives knife →knives leaf → leaves 5. 以元音字母o结尾的名词一般加-s构成复数，如： photo--photos piano--pianos 某些特殊的词加 -es 黑人英雄爱吃芒果，土豆，西红柿 6. 鱼、鹿、绵羊、中、日人单复数同形。 sheep→ sheep deer→ deer fish→fish Chinese→ Chinese Japanese→ Japanese 7. 集体名词 集体名词,以单数形式出现,但实为复数。例如： people→ people police→ police cattle→ cattle 8. 不规则变化 child → children man→ men woman→ women policeman→ policemen policewoman→policewomen foot→ feet tooth→ teeth goose→geese mouse→mice 名词所有格变化规则 一般情况下直接在名词后加’s. father’s 爸爸的 teacher’s老师的 一般以s结尾的名词复数只加 ’ 不加s. 单数可以只加 ’ ，也可以加 ’s. 大家共同拥有某人或某物时，只在最后一者后面加 ’ 或 ’s. 课堂练习 写出一下名词的复数形式 horse_____ sheep_____ ox_____ policeman_____ mouse_____ man_____ fish_____ tooth_____ watch_____ bus_____ box_____ computer_____ woman_____ child_____ baby_____ family_____ knife_____ orange_____ potato_____ photo_____ 选择 （ ）1. I would like _____ orange. A.a B. the C.an D./ （ ）2. -I have four_____ . A.crayon B.crayones C.crayons D.pencil （ ）3. -How many _____ are there in the fishbowl -There is no _____ in it. A.fishes;fish B. fish, fishes C. fish, fish D. fishes, fishes （ ）4.There _____ some milk and biscuits on the table. is B.are C.has D.have （ ）5.I’m 1.5 _____ tall. meter B. metres C.metre D.metrees 三、名词所有格专练 1. --How’s Joy’s skirt --Her skirt is more beautiful than _____. A.her sister’s and Kate B.her sister and Kate C.her sister and Kate’s D.her sister’s and Kate’s 2．This is _____ room. The twin sisters like it very much. A.Lucy’s and Lily’s B.Lucy’s and Lily C.Lucy and Lily’s 3．Who is the man in the blue car He is _____ father. A. Kate’s and Mary’s B. Kate and Mary’s C. Kate and Mary D. of Kate and Mary 4．Is this your room No, it’s _____room. A ... ...