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My Videos Posted 9 years ago
Grammar
Correct Form
What will be the correct form of the given sentence?
He has been working (off and on) for several years on this theory.
Top answer
My Videos He has been working on this theory for several years (now). As shown.
- My Videos He has been working on this theory for several years (now).
- As shown.
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1 Answers
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My VideosHe has been working on this theory for several years (now).
As shown.
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