English verb conjugation COULD CLUMP

Regular verb: clump - clumped - clumped

Affirmation

Simple form

I could clump
you could clump
he could clump
we could clump
you could clump
they could clump

V-ing form

I could be clumping
you could be clumping
he could be clumping
we could be clumping
you could be clumping
they could be clumping

Perfect

I could have clumped
you could have clumped
he could have clumped
we could have clumped
you could have clumped
they could have clumped

V-ing perfect

I could have been clumping
you could have been clumping
he could have been clumping
we could have been clumping
you could have been clumping
they could have been clumping

Negation

Simple form

I couldn't clump
you couldn't clump
he couldn't clump
we couldn't clump
you couldn't clump
they couldn't clump

V-ing form

I couldn't be clumping
you couldn't be clumping
he couldn't be clumping
we couldn't be clumping
you couldn't be clumping
they couldn't be clumping

Perfect

I couldn't have clumped
you couldn't have clumped
he couldn't have clumped
we couldn't have clumped
you couldn't have clumped
they couldn't have clumped

V-ing perfect

I couldn't have been clumping
you couldn't have been clumping
he couldn't have been clumping
we couldn't have been clumping
you couldn't have been clumping
they couldn't have been clumping

Interrogative form

Simple form

could I clump?
could you clump?
could he clump?
could we clump?
could you clump?
could they clump?

V-ing form

could I be clumping?
could you be clumping?
could he be clumping?
could we be clumping?
could you be clumping?
could they be clumping?

Perfect

could I have clumped?
could you have clumped?
could he have clumped?
could we have clumped?
could you have clumped?
could they have clumped?

V-ing perfect

could I have been clumping?
could you have been clumping?
could he have been clumping?
could we have been clumping?
could you have been clumping?
could they have been clumping?

Interro-negative form

Simple form

couldn't I clump?
couldn't you clump?
couldn't he clump?
couldn't we clump?
couldn't you clump?
couldn't they clump?

V-ing form

couldn't I be clumping?
couldn't you be clumping?
couldn't he be clumping?
couldn't we be clumping?
couldn't you be clumping?
couldn't they be clumping?

Perfect

couldn't I have clumped?
couldn't you have clumped?
couldn't he have clumped?
couldn't we have clumped?
couldn't you have clumped?
couldn't they have clumped?

V-ing perfect

couldn't I have been clumping?
couldn't you have been clumping?
couldn't he have been clumping?
couldn't we have been clumping?
couldn't you have been clumping?
couldn't they have been clumping?

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