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I have felt have I felt I did feel did I feel
requires attains considers deserves
Is that so ? It depends. I don’t think so. Why not ?
staying; goes to stay; to go to stay; went stay; went
work is working will be working will have worked
staying, goes to stay, to go stay, went to stay, goes
giving to give being given to be given
Is that so ? It depends. I don’t think so. Why not ?
work is working will be working will have worked
had not worked not work doesn't work did not work
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