do和does的区别和用法有就近原则

时间:2026-06-07 02:18:47来源:

“do”和“does”是英语中常用的助动词,用于构成疑问句、否定句和强调句。它们的使用与主语的人称和数有关,遵循“就近原则”。

用法 主语 助动词 例句
一般现在时 I/We/You do I do my homework.
一般现在时 He/She/It does She does her homework.
疑问句 I/We/You do Do you like apples?
疑问句 He/She/It does Does he like apples?
否定句 I/We/You don t I don t like coffee.
否定句 He/She/It doesn t She doesn t like coffee.

总结:do用于第一人称、第二人称和复数主语,does用于第三人称单数,遵循“就近原则”,即根据主语选择合适的助动词。

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