English verb conjugation
TO STUMBLE

Regular verb: stumble - stumbled - stumbled

Indicative

Present	Present continuous	Preterite	Preterite continuous
don't I stumble? don't you stumble? doesn't he stumble? don't we stumble? don't you stumble? don't they stumble?	am I not stumbling? aren't you stumbling? isn't he stumbling? aren't we stumbling? aren't you stumbling? aren't they stumbling?	didn't I stumble? didn't you stumble? didn't he stumble? didn't we stumble? didn't you stumble? didn't they stumble?	wasn't I stumbling? weren't you stumbling? wasn't he stumbling? weren't we stumbling? weren't you stumbling? weren't they stumbling?
Present perfect	Present perfect continuous	Pluperfect	Pluperfect continuous
haven't I stumbled? haven't you stumbled? hasn't he stumbled? haven't we stumbled? haven't you stumbled? haven't they stumbled?	haven't I been stumbling? haven't you been stumbling? hasn't he been stumbling? haven't we been stumbling? haven't you been stumbling? haven't they been stumbling?	hadn't I stumbled? hadn't you stumbled? hadn't he stumbled? hadn't we stumbled? hadn't you stumbled? hadn't they stumbled?	hadn't I been stumbling? hadn't you been stumbling? hadn't he been stumbling? hadn't we been stumbling? hadn't you been stumbling? hadn't they been stumbling?
Future	Future continuous	Future perfect	Future perfect continuous
won't I stumble? won't you stumble? won't he stumble? won't we stumble? won't you stumble? won't they stumble?	won't I be stumbling? won't you be stumbling? won't he be stumbling? won't we be stumbling? won't you be stumbling? won't they be stumbling?	won't I have stumbled? won't you have stumbled? won't he have stumbled? won't we have stumbled? won't you have stumbled? won't they have stumbled?	won't I have been stumbling? won't you have been stumbling? won't he have been stumbling? won't we have been stumbling? won't you have been stumbling? won't they have been stumbling?

Conditional

Present	Present continuous	Past	Past continuous
wouldn't I stumble? wouldn't you stumble? wouldn't he stumble? wouldn't we stumble? wouldn't you stumble? wouldn't they stumble?	wouldn't I be stumbling? wouldn't you be stumbling? wouldn't he be stumbling? wouldn't we be stumbling? wouldn't you be stumbling? wouldn't they be stumbling?	wouldn't I have stumbled? wouldn't you have stumbled? wouldn't he have stumbled? wouldn't we have stumbled? wouldn't you have stumbled? wouldn't they have stumbled?	wouldn't I have been stumbling? wouldn't you have been stumbling? wouldn't he have been stumbling? wouldn't we have been stumbling? wouldn't you have been stumbling? wouldn't they have been stumbling?

Infinitive

Imperative

Infinitive		Imperative
to stumble		- - -

Participle

Present	Past
stumbling	stumbled