含情態(tài)動(dòng)詞must的反義疑問句

1、精選優(yōu)質(zhì)文檔-傾情為你奉上 含情態(tài)動(dòng)詞must的反義疑問句陳述部分有must，且表示"必須"時(shí)，附加疑問句部分用mustn't，如果表示"必要"則用needn't。     陳述部分中是mustn't表示"禁止"時(shí)，附加疑問句部分用must。    陳述部分中的must表示"一定"、"想必"等推測(cè)意義時(shí)，附加疑問句部分而是根據(jù)陳述部分的謂語(yǔ)動(dòng)詞或其助動(dòng)詞來定。They mu

2、st clean the floor, mustn't they/needn't they?他們必須擦地板，是不是？We must stay at home, mustn't we?我們必須留在家里，是不是？We mustn't be late, must/may we?我們不許遲到，是不是？They must work hard, mustn't they?(必須)They must take medical lessons, needn't they?(必要)He must be lying to me, _?A.mustn't be

3、      B.must be      C.isn't be      D.is be "他肯定在對(duì)我說謊。"must be doing 是對(duì)正在進(jìn)行的事情的推斷。還有must have done 是對(duì)過去情況的肯定推斷。must 這種用法的反意疑問句不用 must 提問。推斷用法：He must be lying to me.陳述用法：He is lying to me.陳述用法反意疑問句：He is lying

4、to me, isn't he?推斷用法反意疑問句：He must be lying to me, isn't he?推斷用法：He must have been abroad.陳述用法：He has been abroad.陳述用法反意疑問句：He has been abroad, hasn't he?推斷用法反意疑問句：He must have been abroad, hasn't he?推斷用法：He must have gone swimming yesterday.陳述用法：He went swimming yesterday.陳述用法反意疑問句：H

5、e went swimming yesterday, didn't he?推斷用法反意疑問句：He must have gone swimming yesterday, didn't he?He must be a visitor, isn't he?(對(duì)現(xiàn)在情況的推測(cè))You must have seen him at his birthday party yesterday, didn't you?(對(duì)過去情況的推測(cè),且句中有過去的時(shí)間狀語(yǔ))You must have seen him at his birthday party,haven't yo

6、u?(強(qiáng)調(diào)動(dòng)作的完成)1 帶 have to 時(shí)，附加疑問用 do 或 have的相應(yīng)形式 , 用 do 更常見。 You dont have to go to school on Sundays , do you ? We have to work today , dont we ? (havent we ?)2 帶 must時(shí)A 表示“必須”，附加疑問部分用 mustnt We must work hard , mustnt we ?B 表示“有必要”時(shí)，附加疑問部分用 neednt. The teacher must show concern for each pupil , needn

7、t he ?C 表示“推測(cè)”時(shí)，附加疑問部分要與陳述部分的謂語(yǔ)動(dòng)詞相呼應(yīng)。 He must be a teacher, isnt he ? D must + have + done 是對(duì)過去情況的推測(cè)，當(dāng)陳述部分沒有明確的表示過去的時(shí)間狀語(yǔ)時(shí)，附加疑問要用have的相應(yīng)形式；當(dāng)陳述部分有明確的過去時(shí)間狀語(yǔ)時(shí)，附加疑問要用過去時(shí)。 You must have lived here for a long time , havent you ? You must have seen him yesterday , didnt you ?E 當(dāng)陳述部分是 must not , 表示“一定不要” 、“禁

8、止”時(shí)，附加疑問除用must 外，還可以用may. I must not tell him , must I ? ( may I ?)3 帶 used to 時(shí)，附加疑問用 usednt 或didnt . 但口語(yǔ)中傾向于后者。 There used to be an apple tree in the garden , didnt there ? (usednt there ? )4 帶need 時(shí)，附加疑問用 do 或 need ,應(yīng)該與陳述部分 need 用法相呼應(yīng)。 I neednt tell you the answer , need I ? You need to buy a better dictio