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do与does的用法
"Do"和"Does"都是动词"do"的不同形式,用来构成肯定句、否定句和疑问句。
1. "Do"用于一般现在时的第一人称(I)、第二人称(You)、第三人称复数(They)的肯定句和疑问句。
- I do my homework every day. (我每天做作业。) - Do you like chocolate?(你喜欢巧克力吗?)
- They do their laundry on Sundays.(他们在星期天洗衣服。)
2. "Does"用于一般现在时的第三人称单数(He/She/It)的肯定句和疑问句。
- He does his chores after school.(他放学后做家务。) - Does she play the piano?(她弹钢琴吗?)
- It does rain a lot in this area.(这个地区经常下雨。)
3. "Does"还可用于一般现在时的第三人称单数的否定句,需要在动词后面加上"not"。
- He does not like spicy food.(他不喜欢辣食。)
- Lisa does not go to the gym very often.(Lisa不经常去健身房。)
4. "Do"可用于一般过去时的第一人称、第二人称和第三人称。 - I did my homework yesterday.(昨天我做了作业。) - Did you go to the party last night?(你昨晚去参加派对了吗?)
- She did well in her exams.(她考试做得很好。)
需要注意的是,"do"和"does"在肯定句中通常只起强调的作用,意味着动作发生或现实存在。在疑问句和否定句中,"do not"或"does not"是表示否定意义的部分。
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