before 做时间状语，如果是before+句子，那么动词可以是延续性动词吗

类似：before they expand.

可以用延续性动词吗？

可以呀，为什么你不查一下词典呢？请看词典例句：

Before they drive any of the buses, they will have to pass a special test. 然而在驾驶公共汽车前，他们必须通过专门测验。《现代英汉词典》

She had to give the doorman a tip before he would help her with her suitcases.她得先给看门人小费，他才能帮她提箱子。《剑桥高级英语词典》

She was a child prodigy, giving concerts before she was a teenager. 她小时候是个神童，十三岁以前就在音乐会上登台表演了。《柯林斯英汉双解大词典》

曾克辉 -

擅长：英语考试 | 采纳率 54% | 回答于 2023-03-09 07:55

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