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話人說話時(shí))正在發(fā)生的事情??梢员硎居杏?jì)劃的未來。,例如:How am I to answer him? 我該怎樣答復(fù)他?、商定,例如:We are to meet at the school gate at seven tomorrow 。說明: 這種用法也可以說成是一種將來時(shí)態(tài)表達(dá)法。2)be + 過去分詞,構(gòu)成被動(dòng)語(yǔ)態(tài),例如:The window was broken by Tom..窗戶是湯姆打碎的。t, weren39。t, aren39。re),(否定縮略式 I39。re, you39。re, he39。例: am is from are . 變一般疑問句時(shí),直接把be動(dòng)詞提到句首,注意要把I am….和We are…都變?yōu)锳re you…? 注:my / our —→ your 例: am is from are : am is a are from the is a ——→ ——→ ——→否定句——→ ——→ ——→否定句——→ ——→ ——→否定句——→ ——→ ——→——→Are you Kangkang? ——→Is he from China? ——→Are you teachers? ——→I am not Kangkang.——→He is not(isn’ t)from China.——→We are not(aren’ t)肯定回答/否定回答一般疑問句肯定回答/否定回答一般疑問句肯定回答/否定回答一般疑問句肯定回答/否定回答 are ——→ ——→ ——→一般疑問句肯定回答/否定回答 is from is mom is a is from the ——→ ——→ ——→一般疑問句肯定回答/否定回答否定句——→ ——→ ——→一般疑問句肯定回答/否定回答否定句——→ ——→ ——→一般疑問句肯定回答/否定回答否定句——→ ——→ ——→一般疑問句肯定回答/否定回答 and Lily are good ——→ ——→ ——→一般疑問句肯定回答/否定回答第四篇:be動(dòng)詞用法及相關(guān)練習(xí)題Be動(dòng)詞的用法:現(xiàn)在時(shí) I am, you are, he is, we are, you are, they are(縮略式 I39。單數(shù) is,復(fù)數(shù)are,不要混了,記牢它。你是你是You are, You are。1)I ______a )My father_____a )We______having )Mike ______ from )Her sister ______a )They ______ my )He ______ my )She ______ a )I______a )His mother______a:1)將下列歌劇轉(zhuǎn)換成否定句。s )______ your brother in the classroom?4)Who ______ I?5)The jeans ______ on the )My sister39。(1)Theyarereading books.(2)I am a good student.(3)He isapoliceman.(4)His brother is a postman.(5)Weareplaying snowballfighting.第二篇:be動(dòng)詞的用法練習(xí)題金翰林be動(dòng)詞練習(xí)題be動(dòng)詞用法練習(xí)題(1)。1)I ______a )My father_____a )We______having )Mike ______ from )Her sister ______a )They ______ my )He ______ my )She ______ a )I______a )His mother______a:1)將下列各句轉(zhuǎn)換成否定句。s )______ your brother in the classroom?4)Who ______ I?5)The jeans ______ on the )My sister39。