English verb conjugation COULD WALK

Regular verb: walk - walked - walked

Affirmation

Simple form

I could walk
you could walk
she could walk
we could walk
you could walk
they could walk

V-ing form

I could be walking
you could be walking
she could be walking
we could be walking
you could be walking
they could be walking

Perfect

I could have walked
you could have walked
she could have walked
we could have walked
you could have walked
they could have walked

V-ing perfect

I could have been walking
you could have been walking
she could have been walking
we could have been walking
you could have been walking
they could have been walking

Negation

Simple form

I couldn't walk
you couldn't walk
she couldn't walk
we couldn't walk
you couldn't walk
they couldn't walk

V-ing form

I couldn't be walking
you couldn't be walking
she couldn't be walking
we couldn't be walking
you couldn't be walking
they couldn't be walking

Perfect

I couldn't have walked
you couldn't have walked
she couldn't have walked
we couldn't have walked
you couldn't have walked
they couldn't have walked

V-ing perfect

I couldn't have been walking
you couldn't have been walking
she couldn't have been walking
we couldn't have been walking
you couldn't have been walking
they couldn't have been walking

Interrogative form

Simple form

could I walk?
could you walk?
could she walk?
could we walk?
could you walk?
could they walk?

V-ing form

could I be walking?
could you be walking?
could she be walking?
could we be walking?
could you be walking?
could they be walking?

Perfect

could I have walked?
could you have walked?
could she have walked?
could we have walked?
could you have walked?
could they have walked?

V-ing perfect

could I have been walking?
could you have been walking?
could she have been walking?
could we have been walking?
could you have been walking?
could they have been walking?

Interro-negative form

Simple form

couldn't I walk?
couldn't you walk?
couldn't she walk?
couldn't we walk?
couldn't you walk?
couldn't they walk?

V-ing form

couldn't I be walking?
couldn't you be walking?
couldn't she be walking?
couldn't we be walking?
couldn't you be walking?
couldn't they be walking?

Perfect

couldn't I have walked?
couldn't you have walked?
couldn't she have walked?
couldn't we have walked?
couldn't you have walked?
couldn't they have walked?

V-ing perfect

couldn't I have been walking?
couldn't you have been walking?
couldn't she have been walking?
couldn't we have been walking?
couldn't you have been walking?
couldn't they have been walking?

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