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heoften后面加动词原形吗 正确用法解析

2026-09-08 22:38:09 来源: 用户:嵇菲涛 

he often后面加动词原形吗?答案是:取决于句式。在肯定句中,he often后面应接动词的第三人称单数形式(如goes),而不是原形;但在疑问句(Does he often go?)或否定句(He doesn't often go)中,he often后面确实接动词原形。 因此,不能简单地说“he often后面加动词原形”,需根据句子结构判断。频率副词often位于实义动词前,但主语he为第三人称单数,肯定句时动词需加-s/-es;若句中有助动词(do/does/did)或情态动词(can/must等),则助动词或情态动词后接动词原形,此时often仍放在实义动词前。例如:He often plays football. / He can often play football. / He does not often play football. 掌握这一规则,可避免语法错误。

【常见问题】

问题1:he often后面加动词原形的情况有哪些?

回答1:he often后面加动词原形主要出现在疑问句和否定句中,例如“Does he often go to school?”以及“He doesn't often eat meat.”此时助动词does或doesn't已经体现了第三人称单数,后面的动词go和eat必须用原形。

问题2:在肯定句中,he often后面应该加什么形式的动词?

回答2:在肯定句中,he often后面应该加动词的第三人称单数形式,即动词原形加-s或-es,例如“He often reads books.”或“He often watches TV.”不能直接加动词原形。

问题3:he often和动词原形搭配时,句子结构有什么特殊要求?

回答3:he often与动词原形搭配时,句子中必须出现助动词(do/does/did)或情态动词(can/may/must等),例如“He can often help me.”或“Does he often visit you?”如果没有助动词或情态动词,则不能使用动词原形,而应使用第三人称单数形式。

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