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died; has worked died; worked had died; worked died; had worked
not having worked having not worked to have not worked not to work
must have got through would have got through would get through could get through
worked has worked had worked had been working
worked had worked has worked works
He worked He had worked Had he worked Did he work
worked has worked had worked had been working
would succeed had succeeded should succeed would have succeeded
must have got through would have got through should get through could get through
Louis was famous for his discovery. Though his left arm and leg were disabled, he worked even harder than before. In his childhood he made up his mind to become a doctor. His disabled (残疾的)left arm and leg had nothing to do with the mad dogs.
gone through got through looked through broken through
must have got through would have got through would get through could get through
had he worked did he work if he worked if he has worked
must have got through would have got through would get through could get through
work works worked will work
Would he work Should he work Had he worked If he works
must have got through could get through would have got through ought to get through
worked has worked had worked had been working
must have got through could get through ought to get through would have got through
must have got through could get through ought to get through would have got through