When do we use For/Since/During and While?
For
Use for a complete duration, that is a duration that is finished when you are speaking about it.
ex. I have been studying English for 2 months.
In this sentence 2 months is the complete duration.
Since
Use for a sentence talking about the start or beginning of a duration that is still occurring.
ex. I have been studying English since 1999.
In this sentence 1999 is the start of the time period that is continuing to today.
During/While
Use this when there are two simultaneous actions in the same duration. You must have two actions to use during or while.
ex. During my holiday I went to London.
Here my holiday is the duration, and the two simultaneous actions are going to London, and being on holiday.
Sample exercises:
- I haven't seen Tom ________ 3 days.
- I have been playing the clarinet _______ I was a child.
- I fell asleep _________ the film.
- How long has Mark known Jennifer? (not long) _______________________________________________________
- How long has Margaret been a nurse? (1985) ________________________________________________________
- I have been studying English ___________ 8 months.
- I have been studying English ___________ 20 minutes.
Infomercial Group Assignment
A group project was assigned in class today and will be presented in class on Monday the 4th of February, 2013.
If you were not in class on the 21st and you have a valid reason and you don't have a group you must contact me so that we can decide a makeup assignment.
In groups of 3-4 you must make your own infomercial for the product that was assigned to you in class. This infomercial must be at least 2min long and everyone in the group must speak. You should follow the model of the videos we watched in class and you may use any support such as powerpoint or video that you would like.
Here are the products that were assigned in class:
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