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where somewhere anywhere anywhere everywherething something anything nothing everythingNeed在否定時(shí)做情態(tài)動詞使用You needn’t go so early. =You don’t need to go so early.Must I clean the desk right now? No, you needn’t.新概念英語第一冊語法總結(jié)(十五)15 不定代詞及不定副詞:表示“需要”時(shí)為實(shí)意動詞,后面可以加名詞,也可以加不定式:I need a pen. Do you need any beer? No, I don’t.I need to have a rest.5must have been doing 表示對過去正在進(jìn)行的事實(shí)的猜測 must do 表示對現(xiàn)在事實(shí)的猜測有些詞加上ly后意思與原詞相差很遠(yuǎn):nearynearly, highhighly, latelately新概念英語第一冊語法總結(jié)(十三)13 情態(tài)動詞的使用:can, must, may, might, need,1)情態(tài)動詞can(能夠), must(必須), may(可以)結(jié)構(gòu):主語+can/must/may+動詞原型He can make the tea.Sally can air the room.We can speak English.★變疑問句將情態(tài)動詞移到句首Can he make the tea?Can Sally air the room?Can we speak English?★變否定句在情態(tài)動詞后面加notHe cannot make the tea.Sally cannot air the room.We cannot speak English.★肯定回答及否定回答Yes, he can. No, he cannot.Yes, she can. No, she cannot.Yes, we can. No, we cannot.★特殊疑問句:What can you do?(必背)注意:情態(tài)動詞的句子沒有第三人稱單數(shù)的變化,不要在情態(tài)動詞或動詞后面加S。以輔音字母加y結(jié)尾的形容詞,把y變I, 加ly,happyhappily, luckyluckily如:The book is very good.He runs fast.She came here quite early.Certainly I will go with you.副詞變化形式: fish(fish)新概念英語第一冊語法總結(jié)(十二)12 副詞:用法及形容詞變副詞的變化 foot(feet) goose(geese) tooth(teeth)0child(children) fly→flies3)不規(guī)則變化的名詞復(fù)數(shù)形式man(men) church→churches, bus→buses, watch→watches規(guī)則3 以o結(jié)尾+s或+es . potato→potatoes, Negro→Negroes, hero→heroes, tomato→tomatoes,(口訣:黑人英雄愛吃土豆和西紅柿),剩下一般加s, radio→radios規(guī)則4 以f, fe結(jié)尾的,變f, fe為ves . life→lives不能加s名詞分為可數(shù)名詞和不可數(shù)名詞1)不可數(shù)名詞無法分開的東西:water, tea, bread, milk, rice(米)抽象的東西:love, beauty, coldness(寒冷)不可數(shù)名詞有以下特點(diǎn):some, any 修飾可數(shù)名詞或不可數(shù)名詞,some用于肯定句,any用于否定句和疑問句,注意,當(dāng)期待對方的答案為肯定回答時(shí)用some5 變疑問句將助動詞移到句首Had she finished her homework?6 變否定句在助動詞后面加notShe hadn’t finished her homework.7 肯定回答及否定回答Yes, she had. No, she hadn’t.8 特殊疑問句:What had she done?7. 過去進(jìn)行時(shí):表示過去正在進(jìn)行的動作,經(jīng)常用在when, while, as引導(dǎo)的狀語從句中。也就是過去的過去。I