六年级三大英语句型知识点

    掌握句型是学号英语的基础，以下是小编整理的的六年级三大句型知识点，希望能帮助大家!
    祈使句
    表示请求、命令、建议、邀请等，谓语动词一律用原型，句子中通常不用主语，句末用惊叹好或者句号，用降调。
    ★肯定句：动词原型
    Come here, please.
    Go downstairs, please.
    Stand up.
    Sit down.
    Be quiet.
    Be careful.
    祈使句中如果有唤语，一定要用逗号隔开，放在句首或者句尾：
    Come in, Amy.
    Sit down here, Tom.
    Mary, give me a book please.
    ★否定：Don't+动词原型
    Don't come here.
    Don't sit down.
    Don't stand up.
    Don't give me it.
    let sb. do 让某人做
    Let me pass.
    Let us have a rest.
    Let's have a rest.
    反意疑问：
    Let's have a walk along the river, shall we?
    Let us go out for a drink, will you?
    倒装句：
    so/neither的倒装
    eg: He can swim. So can I.
    She didn't go to class. Neither did I.
    结构：
    so/neither+be+ 主语
    so/neither+助动词+ 主语
    so/neither+情态动词+ 主语
    助动词：
    一般现在时: do, does/am, is, are
    现在进行时: am, is, are
    一般过去时: did
    现在完成时: have, has
    一般将来时: will, shall
    过去进行时: was, were
    过去完成时: had
    过去将来时: would
    感叹句：
    1) What +名词+主语+谓语
    What a beautiful girl she is!
    What tall buildings they are!
    2) How +形容词+主语+谓语
    How beautiful the girl is!
    How tall the buildings are!
    ? 在口语中，感叹句的主语和谓语常常省略：
    What a nice present!(省略it is)
    How disappointed!(省略she is或其它可作本句主、谓的词语)
    六年级三大句型知识点