can't be at home可以转换成can't stay at home吗

can't be at home可以转换成can't stay at home吗 He can't be at home.为什么can't后要加be? He can't be at home.为什么在at前面有be?什么情况下要加Be? he can't be at home与he may not be at home有什么不同?跪拜请求指点迷津. There can't be anyone at home,___?A.is thereB.can therewhy we choose A Today is Wednesday.He _______be at home.He ______ be at school.A.can’t,can B.can’t,must C.mustn’t,must D.mustn’t,can I'd like not to go for a work .I'd like to stay at home.（同意句转换）I'd like to stay at home instead of ___ ___ ___ ___.Fire can be dangerous if we are not careful.（同意转换）If we don't ___ ___ ,fire can be dangerous.He came here .He He can't be at home.He went to the cinema.合并成一句话 Mary can't be here .she-----------(do)her homework at home The baby can't _____ alone at home.A.leave B.be leftC.be putD.be stayed 谁帮我做几道句型转换?1.I don't need your help.I can do it myself.I can do it your help.2.She may stay alone at home now.she at home now.3.If you are noisy.You won't hear anything.Be you'll hear .4.It seems that your temperature is all right 谁帮我做几道句型转换?.I don't need your help.I can do it myself.I can do it your help.2.She may stay alone at home now.she at home now.3.If you are noisy.You won't hear anything.Be ,you'll hear .4.It seems that your temperature is all right ---Where is your brother?Is he at home?---No,he_____ be at home.He has gone to England.A.must B.mustn’t C.can’t D.may Today is Wednesday.He _______ be at home.He _____ be at school.A.can’t,can B.can’t,must C.mustn’t,must D.mustn’t,can He isn't at home.同义句转换 you should be at home =you - - - -at home同义句转换需填四空 Lily isn't at home．I believe she ________ be at her sister's home．A.can B.need C.may D.must 有关mustn't和can'tHe ______ be at home,because the light is off.用can't还是mustn't?为什么?