English verb conjugation CAN GRUMBLE

Regular verb: grumble - grumbled - grumbled

Affirmation

Simple form

I can grumble
you can grumble
he can grumble
we can grumble
you can grumble
they can grumble

V-ing form

I can be grumbling
you can be grumbling
he can be grumbling
we can be grumbling
you can be grumbling
they can be grumbling

Perfect

I can have grumbled
you can have grumbled
he can have grumbled
we can have grumbled
you can have grumbled
they can have grumbled

V-ing perfect

I can have been grumbling
you can have been grumbling
he can have been grumbling
we can have been grumbling
you can have been grumbling
they can have been grumbling

Negation

Simple form

I can't grumble
you can't grumble
he can't grumble
we can't grumble
you can't grumble
they can't grumble

V-ing form

I can't be grumbling
you can't be grumbling
he can't be grumbling
we can't be grumbling
you can't be grumbling
they can't be grumbling

Perfect

I can't have grumbled
you can't have grumbled
he can't have grumbled
we can't have grumbled
you can't have grumbled
they can't have grumbled

V-ing perfect

I can't have been grumbling
you can't have been grumbling
he can't have been grumbling
we can't have been grumbling
you can't have been grumbling
they can't have been grumbling

Interrogative form

Simple form

can I grumble?
can you grumble?
can he grumble?
can we grumble?
can you grumble?
can they grumble?

V-ing form

can I be grumbling?
can you be grumbling?
can he be grumbling?
can we be grumbling?
can you be grumbling?
can they be grumbling?

Perfect

can I have grumbled?
can you have grumbled?
can he have grumbled?
can we have grumbled?
can you have grumbled?
can they have grumbled?

V-ing perfect

can I have been grumbling?
can you have been grumbling?
can he have been grumbling?
can we have been grumbling?
can you have been grumbling?
can they have been grumbling?

Interro-negative form

Simple form

can't I grumble?
can't you grumble?
can't he grumble?
can't we grumble?
can't you grumble?
can't they grumble?

V-ing form

can't I be grumbling?
can't you be grumbling?
can't he be grumbling?
can't we be grumbling?
can't you be grumbling?
can't they be grumbling?

Perfect

can't I have grumbled?
can't you have grumbled?
can't he have grumbled?
can't we have grumbled?
can't you have grumbled?
can't they have grumbled?

V-ing perfect

can't I have been grumbling?
can't you have been grumbling?
can't he have been grumbling?
can't we have been grumbling?
can't you have been grumbling?
can't they have been grumbling?

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