aux是什么

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Vickyzhang

2023年04月02日

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aux是英语中的助动词,用于构成各种时态和语态的句子,例如:

- I am going to the store.(我要去商店。)

- They were playing soccer yesterday.(他们昨天在踢足球。)

- She has been studying for three hours.(她已经学习了三个小时。)

- He will have finished the project by next week.(他下周之前会完成这个项目。)

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