He must _______(go) to the doctor.（如果must的前面是第三人称单数,那must后面的动词要变形吗?）

‘I must go home now,’ he says to _______(he). He must _______(go) to the doctor.（如果must的前面是第三人称单数,那must后面的动词要变形吗?） Tom is not here.He _____(must go) go home. 根据所给问句做出相应的否定回答.---Do you have to go now?---No,_______.---Must she go to the shop?---No,_______.---Does he have to decide immediately?---No,_______.---Did you have to take a taxi?---No,_______.---Must you wait for her?-- 反意疑问句 He must be a worker,_______ He looks tired,he _______ too little sleep.A must have had B must have C must have been Where is your father?He ________ (clean) the car.48.The shop ________ (sell) school things.I must _______ (go) shopping now.49._______ (be) there any water in the glass?50.What ______ your mother _________ (do)? 用have to或must填空.He says he_______ work hard.My brother is ill.I_______telephone the doctor.Sorry,I _______ go home now.I _______ water the garden now.It is very dry.We _______help each other. Must he go home now.(做否定回答) he must ______(go) to school early tomorrow.填空 He really must go now,____?A.must heB.doesn't heC.mustn't heD.must he he must go out now 改成同义句 he ----- ------ go out now Ben likes_________(swim) very much.He often _______(go) swimming with his dad.Yesterday he _______ He really must go now_________?反义疑问句He really must go now__________?A.must he B.doesn't he C.mustn't he D.must he答案给的是A,可是为什么不是B或C呢? let _______(he/him) go to watch the match. he will go home twice a day 的提问_______ _________will he go home why did he go there yesterday 改为同义句 ____ _____ he go there _______ He must go填反义疑问句,是写mustn't he 还是does not he