He is talking to his friend.这里面那个是谓语?

He is talking to his friend.这里面那个是谓语? he is talking to his friend at the moment David is talking to his friend in the phone David is talking to his friend in the phone. jack is talking to his friend (who提问）理由 He is writing to his friend.对friend提问? He is talking with oneof his friend now.这句话有什么错误 He with his friend is going to 为什么用is 1.He is talking to his froend.His mother is calling(合并成一个句子 He is talking to his friends on the phone(改为同义句) He is ___ _ writing,his,to,he,is,now,friend连词成句 He is always (friend,friendly)to his students