English verb conjugation COULD SLUB

Regular verb: slub - slubed - slubed

Affirmation

Simple form

I could slub
you could slub
she could slub
we could slub
you could slub
they could slub

V-ing form

I could be slubing
you could be slubing
she could be slubing
we could be slubing
you could be slubing
they could be slubing

Perfect

I could have slubed
you could have slubed
she 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
she 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
she 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
she 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
she 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
she 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 she slub?
could we slub?
could you slub?
could they slub?

V-ing form

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

Perfect

could I have slubed?
could you have slubed?
could she 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 she 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 she 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 she 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 she 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 she 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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