Hi is running very fast.改复数形式的句子

Hi is running very fast.改复数形式的句子 He is running very fast改复数形式的句子 He is running very fast .﹝改成复数形式﹞ tom is running very fast 改为感叹句 Bob is running very fast改为感叹句 This knife is his.怎么改复数形式的句子? The_____(run) are running very fast.(用所给词的适当形式填空) look!Jim is running very fast.He _____ the winner mr lee is running very fast.(改为否定句） The horse is running very fast.(改为一般疑问句) Mike______(is,can)running very fast.填哪个 英语句子改复数形式His father is a teacher.