He does nothing but ________ the whole day.A.play B.playing
He does nothing but ________ the whole day.A.play B.playing C.to play D.plays 这句话中的but 为什么不可以理解为连词,前后两个动词用相同的形式呢?那么下面句话中but 为什么又用了原型呢?We don't like people who talk too much but never do anything.
选B. He does nothing but playing the whole day.这句话中,but两边结构要对称,因为它们有一个共同的谓语动词does.做某事要说成do sth,而play本身是动词,要变成名词就只能加ing变成动名词形式 也就变成了 do plying who talk too much but never do anything but两边talk和do也是对称的