English verb conjugation
TO GRUMBLE

Regular verb: grumble - grumbled - grumbled

Indicative

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

Conditional

Present	Present continuous	Past	Past continuous
would I grumble? would you grumble? would he grumble? would we grumble? would you grumble? would they grumble?	would I be grumbling? would you be grumbling? would he be grumbling? would we be grumbling? would you be grumbling? would they be grumbling?	would I have grumbled? would you have grumbled? would he have grumbled? would we have grumbled? would you have grumbled? would they have grumbled?	would I have been grumbling? would you have been grumbling? would he have been grumbling? would we have been grumbling? would you have been grumbling? would they have been grumbling?

Infinitive

Imperative

Infinitive		Imperative
to grumble		- - -

Participle

Present	Past
grumbling	grumbled