He is working at the office now怎样改否定句?1）He isn’t working at the office now2）He isn’t work at the office now那一种?
问题描述：
He is working at the office now
怎样改否定句?
1）He isn’t working at the office now
2）He isn’t work at the office now
那一种?
答
He isn't working at the office now 对现在进行式的否定,就直接在系动词is后加not就行.