1) don't a) don not b) do not 2) shouldn't a) shouldn not b) should not 3) couldn't a) could not b) couldn not 4) can't a) can not b) ca not 5) wouldn't a) wouldn not b) would not 6) aren't a) aren not b) are not 7) wasn't a) wasn not b) was not 8) weren't a) were not b) weren not 9) doesn't a) doesn not b) does not 10) haven't a) have not b) haven not 11) hasn't a) hasn not b) has not 12) won't a) will not b) won not

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