English verb conjugation COULD CLAM

Regular verb: clam - clamed - clamed

Affirmation

Simple form

I could clam
you could clam
he could clam
we could clam
you could clam
they could clam

V-ing form

I could be claming
you could be claming
he could be claming
we could be claming
you could be claming
they could be claming

Perfect

I could have clamed
you could have clamed
he could have clamed
we could have clamed
you could have clamed
they could have clamed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I clam?
could you clam?
could he clam?
could we clam?
could you clam?
could they clam?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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