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that there used to be a fairy in the woods, _______?’t ’t ’t ’t there1Miss another class ________ you will .a(chǎn)ndB.orC.unlessD.butI’m certain you’d rather she was opposed to my proposal,______?’t ’t ’t ’t you2_______terrible weather we’ve been having these days! 、Fighting an artificial greenhouse effect seems to be the greatest of environmental challenges, ________?’t ’t it2______ an important decision more on emotion than on reason,and you will regret it sooner or you base第五篇:unit7poems語法講稿(祈使句和感嘆句)Unit7 祈使句和感嘆句祈使句(Imperatives):定義:祈使句是用來表示請求、命令、叮囑、邀請、勸告或祝愿等的句子。祈使句沒有疑問句的形式,一般只有肯定和否定兩種形式。Come in, please!Please open your books!Put them away!3)let型(Let+賓語+動詞原形+其他)Let him do it by me help ’s go to the (一般在動詞上否定,也可以用否定副詞(never)來表示)1)be型(Don’t be +其他成分(形容詞、名詞或介詞短語))Don’t be careless!Never be late again next time!注意:①在這種句型中,be不能省略②否定副詞not不可置于be之后2)do型(Don’t +動詞原形+其他)Don’t believe him!Don’t worry!Never do it again!3)Let引起的祈使句有兩種否定形式+賓語+not+動詞原形+其他Let her not do ’s not think about ’s only a waste of ’t+ let+賓語+動詞原形+其他Don’t let Jim do ’t let us go, please4)在公共場合的提示語中,否定祈使句常用“No+名詞 / Ving形式”結(jié)構(gòu),表示“禁止做某事”。Sit down, look after the ).在意思比較明顯的情況下,可以把謂語動詞省略。You sweep the floor and I clean the up, ).有時為了明確向誰提出請求或發(fā)出命令,可加稱呼語,但稱呼語要與句子用逗號隔開。在回答具有否定意義的祈使句時,要注意兩點:1)形式一致(即Yes與will保持一致;No與won’t保持一致)2)意思相反(即Yes是 “不”的意思;No是 “是”的意思)。例如:Don’t go out, ’s raining heavily 。Yes, I have to meet my brother at the ,我得去機場接我弟弟。感嘆句通常由how或what引出。⑴ What+a/an+adj.+單數(shù)名詞+主語+謂語(+其他成分)!其中主語和謂語可以省略。What good students they are!What beautiful flowers they are!What bad weather it is!⒉如果對句子中的形容詞、副詞或動詞表示感嘆,用ho