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八年级必考语法点大汇总(4)


    下次我要做得好些。
    Oil and water will not mix.
    油和水没法混在一起。
    2. am/is/are going to +动词原形
    否定式:am/is/are not going to +动词原形
    一般疑问式:am/is/are +主语+ going to + 动词原形+其他?
    特殊疑问式:特殊疑问词+一般疑问式?
    He is going to spend his holidays in London.
    他打算在伦敦度假。
    Look at the dark clouds. There is going to be a storm.
    看那乌云,快要下雨了。
    Is he going to collect any data for us?
    他会帮我们收集数据吗?
    What are you going to do tomorrow?
    明天你打算作什么?
    十. 情态动词
    can(能,会), may(可以,可能,也许), must(必须,一定,应该) have to(必须,不得不)
    1. 肯定句结构:主语+can/may/must+动词原形+其它,例如:
    I must go now.
    2. 否定句结构: 在can/may/must后加not,例如:
    You mustn’t talk aloud in the library.
    3. 一般疑问句结构: 把can/may/must提在主语前,例如:
    Must you go now? (Yes, I must. No, I needn’t.)
    May I open the window? (Yes, you may. No, you needn’t.)
    十一. had better用法
    had better+动词原形表示“最好做……”,变否定句时在had better后加not。例如:
    You had better catch a bus.
    You’d better not catch a bus. (You had= You’d )
    十二. 特殊疑问句的变换
    对划线部分提问时,将划线部分去掉,剩下部分变一般疑问句语序。(对主语提问例外)例如:
    My name is Lily. What’s your name?
    The river is 500 kilometres. Hong long is the river?
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