新概念英语第一册知识点总结-(3)

2018-12-16 21:44

哥。 Mary is going to be a teacher when she grows up. 玛丽决定长大了当一名教师。 ③ 只是单纯地预测未来的事,此时可与will互换。

例:I think it is going to/will rain this evening. 我认为今晚要下雨。 注意:be going to和will在含义和用法上略有不同: be going to往往表示事先经过考虑的打算; will多表示意愿、决心。两者有时不能互换。例如:

He is studying hard and is going to try for the exams. 他正努力学习,准备参加考试 (不能用will替换) —Can somebody help me? ——谁能帮我一下吗? —I will. ——我来。(不能用be going to替换) 3)一般将来时的否定式和疑问式 ①―be going to+动词原形‖结构的一般疑问句是将be的相应形式前移到句首,其否定句是在be动词的相应形式后加not.如

They are going to play football this afternoon.

句) Are they going to play football this afternoon?(一般疑问

句) They are not going to play football this afternoon. (否定句) ②―shall/will+动词原形‖结构的一般疑问句是将shall或will前移到句首,即―Shall/Will+主 语+动词原形+其它?‖。其否定句是在shall或will后加not.如: Our teacher will come back very soon. (肯定句)

Will our teacher come back very soon

一般

Our teacher won

‘t come back very soon. (否定句) 4)一般将来时的特殊用法: 现在进行时表示将来 表示位置转移的动词(如go,come,leave,start,arrive,return,send,move,travel,fly等)和其它几个动作动词(如do,begin,work,spend,play,stay,happen,have,finish,join,eat,die,meet等)常与现在进行时和表示将来的时间状语连用,表示在最近将要发生某事。这些事是事先安排好的。例如: The Browns are coming to dinner tomorrow. 明天布朗夫妇要来吃晚饭。 What are you doing tomorrow? 明天你做什么? The train is arriving at nine o'clock. 火车将在九点钟到。 在特定的上下文中,这类动词有时也可不带时间状语。例如:

—Come to school in your old clothes tomorrow.—Why?What's happening ? ——明天穿你的旧衣服来上学。——为什么?有什么事? Lesson nine The Present Indefinite 一般现在时 一般现在时表示现在经常反复发生的动作、存在的状态或习惯性的动作的时态。 1、适用范围: 1)表示现在的事实或状态。

例:She is a good girl. It‘s hot today. My grandfather lives in Harbin. 2) 表示现在是习惯性的动作。 例:

I wash my face at 6:30 in the morning. My father takes me to school every day. Mr. Smith always shave in the morning. 3) 表示客观真理,客观存在,科学事实。 例:

The earth goes round the sun. The sun rises in the east. There are 24 hours in a day. 2、构成: 1)用系动词be(am, is , are), 说明目前的状态或事实。 例:

His sister is a nurse. Am I your best friends? Mr. Richards and his wife are not in the house. 2) 用实义动词说明习惯性动作或事实等。 ①除单数第三人称外的单词(I, you , we , they)以及复数名词(the dogs, etc.)+动词原形。 例:

We usually watch TV at night. I like to tea every afternoon. The students want to play basketball. ②单数第三人称代词(he, she, it)以及单数名词(the room, James etc.)+ 动词(单三形式)。 例

She plays the piano every night. The milkman brings the milk every day. The teacher always teaches Chinese on Mondays. 3、单三动词的变化规则:

1)一般情况词尾直接加–s ,look---looks read---reads walk---walks

2)以s,x, ch, sh, o结尾的单词加-es , pass---passes fix---fixes go---goes watch--watches 3) 以辅音字母加y结尾的单词,将y变i+es carry—carries fly—flies empty--empties 4、时间状语: 现在一般时表经常发生的动作或存在的状态时,常和 every?, never, seldom , sometimes, usually,often, always,on Sunday 等表时间的状语连用

),

来。 I leave home for school at 7 every morning. We often see him at school .

重点: 连系动词(简称系动词)

1系动词本身有一定的意义,但不能独立作谓语。应为它的意义不完整,必须和标语共同构成谓语。小学里用到的系动词有be(is, am, are),look(显得)等。be动词后面的表语可以是名词,形容词,而look后面接的一般使形容词。

I am his mother. You are very clever. Those are Lucy's skirts. Your grandfather liiks young. 4.情态动词

2情态动词用来表示说话人或句子的主语所指的人对某个动作或状态的看法,如愿望,要求,

能力,可能等。情态动词本身有一定的词义,但它 必须和实义动词原形一起构成句子的谓语。情态动词本身没有人称、数的变化,但有时态的变化。情态动词后面跟的是动词原形,这种用法很容易掌握。小学里学到的情态动词有can, could, may.must.would,should等 它们分别有不同的意义和用法,下面我们一一介绍。 (1)can:can的用法是情态动词中最丰富的。一是用来表示能力,就是―会,能‖。如:Can you see Lily this afternoon? 二是表示可能性,就是―可能,会‖。如:Can you speak English? 三是表示提议或请求。如:Can you look after my clothes,please? 四是表示请求允许和允许,就是―可以‖。如:Can you go the cinema tomorrow? (2)must:must的意思是―应该,必须‖,它的否定回答要注意。 must用于第一人称时,表示说话的人认为有必要(做某件事)。如:

We must go to school now. Must i go to the heasmaster's office right now?Yes,you must. No,you mustn't(needn't)

用于第二、第三人称时,表示说话人的指示、命令或要求别人不去做某件事。如―You mustn't(needn't)play at a bus stop.

(3)may:may表示请求允许或允许,就是‖可以―的意思。如:May i come in? 还可以表示―可能,也许‖和请求,建议。如:He may come today? May i help you? (4)could: 在小学的内容里,could用来表示礼貌的请求。如:

Could you get some flowers for me? (5)would(should):在小穴里我们学到would和should的一种用法,就是和like连用(缩写为d'like)表示个人的愿望,使语气委婉。后面可以接名词。也可以跟to+动词原形。如:

I'd like to be your friend. I'd like to have cakes. There be and The ImperativeThere be 和 祈使句


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