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非谓语动词是指在句子中不作为谓语动词,而是作为其他成分的动词形式。其中,非谓语动词可以用作时间状语,表示时间上的先后顺序。以下是几个非谓语动词做时间状语的例子:
1. 过去分词
过去分词作为时间状语时,表示一个动作在另一个动作之前已经完成。例如:
- Having finished his homework, he went to bed. (他做完作业后去睡觉了。)
- After having studied for three hours, I took a break. (我学习了三个小时后休息了。)
2. 现在分词
现在分词作为时间状语时,表示两个动作同时进行。例如:
- While watching TV, she was eating popcorn. (她一边看电视一边吃爆米花。)
- Running quickly, he caught up with the bus. (他快速跑步追上了公共汽车。)
3. 动词不定式
动词不定式作为时间状语时,表示一个动作在另一个动作之前或之后发生。例如:
- I woke up early to have breakfast. (我早起吃早饭。)
- She went to the supermarket to buy some milk. (她去超市买牛奶。)
非谓语动词在句子中的作用多种多样,灵活运用可以使句子更加丰富多彩。希望大家能够掌握非谓语动词的用法,写出更加精彩的英语句子。