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failed to break failed to breaking failed breaking failed broken
Not until; In no case Not until; In this case Only before; In this case Only before; In no case
he has failed;live up to he failed not;come up with has he failed;live up to did he failed; come up with
should have failed shouldn’t have failed must have failed mustn’t have failed
Not until…he realized It was not until… when he realized It is not until …that did he realize It was not until …that he realized
to have failed failed having failed failing
he has failed; live up to he failed not; come up with has he failed; live up to did he failed; come up with
he failed; did he regret he failed; he regretted did he failed; he did regret did he failed; regretted he
had he failed; he realized he had failed; did he realize he had failed; he realized had he failed; did he realize
Failing Failed Having failed To have failed
he has failed; live up to he failed; come up with has he failed; live up to did he fail; come up with
Failing in the test He failed in the test Because he failed in the test To fail in the test.
to have failed failed having failed failing
mustn’t have failed may not have failed needn’t have failed shouldn’t have failed
do; realize did; realize has; realize /; realized
had he failed he failed not has he failed did he fail
to have failed failed having failed failing
mustn't have failed may not have failed needn't have failed shouldn't have failed
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