English verb conjugation COULD BLOCK

Regular verb: block - blocked - blocked

Affirmation

Simple form

I could block
you could block
he could block
we could block
you could block
they could block

V-ing form

I could be blocking
you could be blocking
he could be blocking
we could be blocking
you could be blocking
they could be blocking

Perfect

I could have blocked
you could have blocked
he could have blocked
we could have blocked
you could have blocked
they could have blocked

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I block?
could you block?
could he block?
could we block?
could you block?
could they block?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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