English verb conjugation
TO GRUMBLE

Regular verb: grumble - grumbled - grumbled

Indicative

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

Conditional

Present	Present continuous	Past	Past continuous
wouldn't I grumble? wouldn't you grumble? wouldn't he grumble? wouldn't we grumble? wouldn't you grumble? wouldn't they grumble?	wouldn't I be grumbling? wouldn't you be grumbling? wouldn't he be grumbling? wouldn't we be grumbling? wouldn't you be grumbling? wouldn't they be grumbling?	wouldn't I have grumbled? wouldn't you have grumbled? wouldn't he have grumbled? wouldn't we have grumbled? wouldn't you have grumbled? wouldn't they have grumbled?	wouldn't I have been grumbling? wouldn't you have been grumbling? wouldn't he have been grumbling? wouldn't we have been grumbling? wouldn't you have been grumbling? wouldn't they have been grumbling?

Infinitive

Imperative

Infinitive		Imperative
to grumble		- - -

Participle

Present	Past
grumbling	grumbled