(He is at home)怎么改成一般疑问句?

(He is at home)怎么改成一般疑问句?1 (He is at home)怎么改成一般疑问句? He is eating lunch at home.改成特殊疑问句. 改错：His mother is ill,he has to look after her at home.这个句子怎么看怎么对啊,为什么要把is改成being? I think he is at home.改为否定句.为什么一定要改成I don't think he is at home而不能改成I think he isn't at home? He is at home.at home在句中做什么成分? he is always home by eleven o'clock.be home怎么是回家的意思 和is at home样么 She said Staying at home is so boring怎么改成间接引语? Is she at her grandmother`s home today?怎么改成一般将来时?要含will be he is good【】home 填at对吗? He is very helpful at home he is at home?is 可以和at 连读吗 I don't know______or not.A.whether he is at home B if he is at home C that he is at homeD whether is he at home she is helpful at home 改成一般疑问句 he is ill at home等于he is sick at home 么 He is good at singing 改成感叹句He is good at singing改成________ ________he sings! Mr.Wang isn't at home.He is at w() He is ill,and he( )stay at home