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was doing had been doing has done did
was doing had been doing has done did
was doing had been doing has done did
was doing had been doing has done did
was doing had been doing has done did
already, yet already, already yet, yet yet, already
you don’t; has finished don't; has finished not to; didn’t finish not; hasn’t finished
was doing did had done would do
you don’t; has finished don't; has finished not to; didn’t finish not; hasn’t finished
is working was working has worked had worked
was doing had been doing has done did
if had he finished his homework. whether he had finished his homework if he had finished your homework. if you had finished your homework.
leaving his homework unfinished leaving his homework being unfinished leaving his howework unfinishing to leave his homework unfinished
do his homework does his homework doing his homework did his homework
would do was doing did had done
finishes has finished doesn’t finish hasn’t finished
was doing had been doing has done did
so has he Neither he has He has too He hasn't either