现在完成进行时是表示动作在过去开始,持续到现在并可能还会继续下去的一种时态。在使用现在完成进行时时,常常会加上时间状语来更准确地描述动作的进行时间。以下是现在完成进行时常见的时间状语及其用法:
1. for(表示一段时间):
- I have been working on this project for three months.(我已经在这个项目上工作了三个月了。)
- They have been living in Paris for two years.(他们已经在巴黎居住了两年了。)
2. since(表示起始时间点):
- He has been studying Spanish since last year.(他从去年开始一直在学习西班牙语。)
- We have been friends since childhood.(我们从小就是朋友了。) 3. all day(表示整天):
- I have been cleaning the house all day.(我整天都在打扫房子。) - They have been working on this project all day long.(他们整天都在进行这个项目的工作。)
4. recently(表示最近):
- She has been feeling tired recently.(她最近一直感到疲劳。) - We have been going to the gym together recently.(我们最近一直一起去健身房。)
5. lately(表示近来):
- He has been sleeping poorly lately.(他近来一直睡得不好。) - They have been arguing a lot lately.(他们最近一直在争吵。) 6. since this morning/afternoon/evening(表示从今天早上/下午/晚上开始):
- I have been working on this report since this morning.(我从今早开始一直在处理这个报告。)
- She has been studying for the exam since this evening.(她从今晚开始一直在备考考试。)
7. in the past few days/weeks/months(表示在过去的几天/几周/几个月):
- He has been traveling in Europe in the past few weeks.(在过去几周中,他一直在欧洲旅行。)
- They have been working on this project in the past few months.(在过去几个月中,他们一直在进行这个项目的工作。)
8. throughout the day/night(表示整个白天/晚上):
- I have been thinking about you throughout the day.(整天我一直在想你。)
- They have been working on this problem throughout the night.(他们整夜都在解决这个问题。)
9. all week/month/year(表示整周/整月/整年):
- She has been practicing piano all week.(她整个星期都在练习钢琴。)
- We have been saving money all year for this trip.(我们整年都在为这次旅行存钱。)
需要注意的是,以上时间状语仅仅是常见的一些例子,实际运用中还有很多其他的时间状语可以使用。在使用现在完成进行时时,准确选择适合的时间状语可以更加准确地表达动作的进行时间,使文章更加具体清晰。
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