keannu
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- Joined
- Dec 27, 2010
- Member Type
- Student or Learner
- Native Language
- Korean
- Home Country
- South Korea
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- South Korea
My grammar books says the difference between "present tense" and "present progressive" is like the following. I think the limit of time to choose either of the two is quite subjective. What do you think is the standard to choose either of them? Depending on your judgment, "Six months" or "two years" can be "is teaching".
1. She is a teacher. She teaches music. - considerable time, permanently
2. This year she is teaching second-graders. - recently, temporarily
1. She is a teacher. She teaches music. - considerable time, permanently
2. This year she is teaching second-graders. - recently, temporarily