He is having breakfast 用完成时是不是He has had breakfast?He had had breakfast 是过去完成时，意思是不是很久以前完成的阿？现在完成是不是刚刚完成的？

He is having a good He is having breakfast right now.(already) He is having lunch 改为一般疑问句 He is having breakfast right now(already) 变成现在完成时 he is having breakfast ..he is having breakfast ..变成现在完成时 ____ he ___ (work)?_No ,he is having a rest. he is having a birthday party一般现在时.　　　　　　　tonight一般将来时 Where is Tommy?He （has还是having）breakfast?理由 He is having dinner now (用现在完成时改写句子 He is having a Music lesson(主语改为复数形式) He is having breakfast right now.(just now) He is having breakfast right now.(in one hour)dfdxsgxc He is having breakfast right now.(every morning) he is having ameeting right now问下解释 he is having a rest under the tree He usually is having lunch now哪错了 HE is having an affair.have是什么成分? 将he is having an apple改为过去式