do和BE动词的用法例 when do you intend to buy a new car?;when are you goi_英语解答

do和BE动词的用法
例 when do you intend to buy a new car?;
when are you going to buy a new car?
为什么第二句不用DO呢

人气：208 ℃　时间：2020-01-27 03:00:58

解答

因为Do后面+实意动词
Be动词,即:am/is/are后面是实意动词+ing形式