新概念英語第一冊語法總結:祈使句大綱
祈使句表示請求、命令、建議、邀請等,謂語動詞一律用原型,句子中通常不用主語,句末用驚歎好或者句號,用降調。
★肯定句:動詞原型
Come here, please.
Go downstairs, please.
Stand up.
Sit down.
Be quiet.
Be careful.
祈使句中如果有喚語,一定要用逗號隔開,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+動詞原型
Don't come here.
Don't sit down.
Don't stand up.
Don't give me it.
let sb. do 讓某人做
Let me pass.
Let us have a rest.
Let's have a rest.
反意疑問:
Let's have a walk along the river, shall we?
Let us go out for a drink, will you?