19 感嘆句：
20 What +名詞+主語+謂語
What a beautiful girl she is!
11 How + 形容詞+主語+謂語
How beautiful the girl is!
20 祈使句：
21 第二人稱：
22 let+其他人稱代詞
23 祈使句的否定，加don’t
24 反意疑問
祈使句（第二人稱）
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，句末用驚嘆好或者句號，用降調(diào)。
★肯定句 動詞原型
例， 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
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?
21 倒裝句：so/neither的倒裝eg.
He can swim. So can I.
I didn’t go to class. Neither did I.
結(jié)構：
so/neither+be+ 主語
so/neither+助動詞+ 主語
so/neither+情態(tài)動詞+ 主語
一般現(xiàn)在時, do, does/am, is, are
現(xiàn)在進行時, am, is, are
一般過去時, did
現(xiàn)在完成時, have, has
一般將來時, will, shall,
過去進行時，was, were
過去完成時，had
過去將來時, would
22 直接引語/間接引語
如果引語的主句所用動詞為過去時，那么間接引語要做相應變化：時態(tài)，人稱，時間地點及指示詞