English verb conjugation
TO STUMBLE

Regular verb: stumble - stumbled - stumbled

Indicative

Present	Present continuous	Preterite	Preterite continuous
do I stumble? do you stumble? does he stumble? do we stumble? do you stumble? do they stumble?	am I stumbling? are you stumbling? is he stumbling? are we stumbling? are you stumbling? are they stumbling?	did I stumble? did you stumble? did he stumble? did we stumble? did you stumble? did they stumble?	was I stumbling? were you stumbling? was he stumbling? were we stumbling? were you stumbling? were they stumbling?
Present perfect	Present perfect continuous	Pluperfect	Pluperfect continuous
have I stumbled? have you stumbled? has he stumbled? have we stumbled? have you stumbled? have they stumbled?	have I been stumbling? have you been stumbling? has he been stumbling? have we been stumbling? have you been stumbling? have they been stumbling?	had I stumbled? had you stumbled? had he stumbled? had we stumbled? had you stumbled? had they stumbled?	had I been stumbling? had you been stumbling? had he been stumbling? had we been stumbling? had you been stumbling? had they been stumbling?
Future	Future continuous	Future perfect	Future perfect continuous
will I stumble? will you stumble? will he stumble? will we stumble? will you stumble? will they stumble?	will I be stumbling? will you be stumbling? will he be stumbling? will we be stumbling? will you be stumbling? will they be stumbling?	will I have stumbled? will you have stumbled? will he have stumbled? will we have stumbled? will you have stumbled? will they have stumbled?	will I have been stumbling? will you have been stumbling? will he have been stumbling? will we have been stumbling? will you have been stumbling? will they have been stumbling?

Conditional

Present	Present continuous	Past	Past continuous
would I stumble? would you stumble? would he stumble? would we stumble? would you stumble? would they stumble?	would I be stumbling? would you be stumbling? would he be stumbling? would we be stumbling? would you be stumbling? would they be stumbling?	would I have stumbled? would you have stumbled? would he have stumbled? would we have stumbled? would you have stumbled? would they have stumbled?	would I have been stumbling? would you have been stumbling? would he have been stumbling? would we have been stumbling? would you have been stumbling? would they have been stumbling?

Infinitive

Imperative

Infinitive		Imperative
to stumble		- - -

Participle

Present	Past
stumbling	stumbled