do和does都是“活雷锋”

来源：阅读, 2018, (69): 16-48.

<正>do和does被评为单词界的"活雷锋"!颁奖词是:"因为他俩用作助动词时,本身并没有实在的意义,但却热心地帮助实义动词构成一般般疑疑问问句句和否定句。"的确如此,你瞧:He has an English book.Does he have an English book?(一般疑问句)Mary plays football every afternoon.Mary doesn’t play football every afternoon.(否定句)