English verb conjugation COULD SLUB

Regular verb: slub - slubed - slubed

Affirmation

Simple form

I could slub
you could slub
he could slub
we could slub
you could slub
they could slub

V-ing form

I could be slubing
you could be slubing
he could be slubing
we could be slubing
you could be slubing
they could be slubing

Perfect

I could have slubed
you could have slubed
he could have slubed
we could have slubed
you could have slubed
they could have slubed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I slub?
could you slub?
could he slub?
could we slub?
could you slub?
could they slub?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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