当主语为第三人称单数时,动词需在词尾加S或ES,如“work”变为“works”,“watch”变为“watches”。
辅音字母加Y结尾的动词变为第三人称单数时,需将Y变为IES,例如“study”变为“studies”。
一般现在时的否定句通过在主语后添加“doesn't”加动词原形构成,如“She likes swimming.”变为“She doesn't like swimming.”。
一般现在时的疑问句通过将助动词“does”置于句首,后跟主语和动词原形形成,如“She likes swimming.”变为“Does she like swimming?”。
特殊疑问句由特殊疑问词加上一般疑问句结构组成,例如“When does your brother go to school every day?”。
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