Word
does
/dʌz; dəz/
verb
做，执行
perform or carry out (an action or task)
do的第三人称单数形式
处理，从事；够用，合适；做；工作；有用(do的第三人称单数形式)
In use
She does her homework every evening.
He does the dishes after dinner.
My mother does the cooking on weekends.
Does + subject + base verb?
用于构成一般现在时疑问句。
Does she speak English?
她说英语吗？
Subject + does + not + base verb
用于构成一般现在时否定句。
He does not like coffee.
他不喜欢咖啡。
Subject + does + noun phrase
She does her homework every night.
她每晚做作业。
Verb forms
base do · third person does · -ing doing · past did · past participle done
do的第三人称单数现在时形式，用作助动词或实义动词
Common mistakes
He do his homework.He does his homework.
当主语是第三人称单数时，实义动词需用does形式，而非do。
Does he goes to school?Does he go to school?
助动词does后必须接动词原形，不可加-s。
He doesn't goes to school.He doesn't go to school.
否定助动词doesn't后要跟动词原形，不能加-s。
Connections
Learner notes
Grammar Note
do的第三人称单数现在时形式，用作助动词或实义动词
Dictionary facts from ECDICT.