English verb conjugation
TO STUMBLE

Regular verb: stumble - stumbled - stumbled

Indicative

Present	Present continuous	Preterite	Preterite continuous
do I not stumble? do you not stumble? does he not stumble? do we not stumble? do you not stumble? do they not stumble?	am I not stumbling? are you not stumbling? is he not stumbling? are we not stumbling? are you not stumbling? are they not stumbling?	did I not stumble? did you not stumble? did he not stumble? did we not stumble? did you not stumble? did they not stumble?	was I not stumbling? were you not stumbling? was he not stumbling? were we not stumbling? were you not stumbling? were they not stumbling?
Present perfect	Present perfect continuous	Pluperfect	Pluperfect continuous
have I not stumbled? have you not stumbled? has he not stumbled? have we not stumbled? have you not stumbled? have they not stumbled?	have I not been stumbling? have you not been stumbling? has he not been stumbling? have we not been stumbling? have you not been stumbling? have they not been stumbling?	had I not stumbled? had you not stumbled? had he not stumbled? had we not stumbled? had you not stumbled? had they not stumbled?	had I not been stumbling? had you not been stumbling? had he not been stumbling? had we not been stumbling? had you not been stumbling? had they not been stumbling?
Future	Future continuous	Future perfect	Future perfect continuous
will I not stumble? will you not stumble? will he not stumble? will we not stumble? will you not stumble? will they not stumble?	will I not be stumbling? will you not be stumbling? will he not be stumbling? will we not be stumbling? will you not be stumbling? will they not be stumbling?	will I not have stumbled? will you not have stumbled? will he not have stumbled? will we not have stumbled? will you not have stumbled? will they not have stumbled?	will I not have been stumbling? will you not have been stumbling? will he not have been stumbling? will we not have been stumbling? will you not have been stumbling? will they not have been stumbling?

Conditional

Present	Present continuous	Past	Past continuous
would I not stumble? would you not stumble? would he not stumble? would we not stumble? would you not stumble? would they not stumble?	would I not be stumbling? would you not be stumbling? would he not be stumbling? would we not be stumbling? would you not be stumbling? would they not be stumbling?	would I not have stumbled? would you not have stumbled? would he not have stumbled? would we not have stumbled? would you not have stumbled? would they not have stumbled?	would I not have been stumbling? would you not have been stumbling? would he not have been stumbling? would we not have been stumbling? would you not have been stumbling? would they not have been stumbling?

Infinitive

Imperative

Infinitive		Imperative
to stumble		- - -

Participle

Present	Past
stumbling	stumbled