Not only 后的句子引起半倒装，but also后的句子使用陈述句语序。 not only did he help his sister with her homework, but also he cooked a meal for his mother. 比如书上一个例句:what books does mr.li's daughter read at home in the evening?what does mr.li&… 陈述句 中表示正式，表示一种强调时，不用缩写，写作does not。疑问句中表难道时，必须写成doesn't。 does not 读音：英 [dʌz nɒt] 美 [dʌz nɑːt] 释义：不，不是，否定就用。 语法：在 复.
Do和does的区别和用法区别是：do 是动词原形，用于第一人称、第三人称的复数 (i/you/we/they)。does 用于第三人称单数 (he/she/it) does 用于第三人称单数。do用于一般现.
