English verb conjugation COULD TAB

Regular verb: tab - tabed - tabed

Affirmation

Simple form

I could tab
you could tab
he could tab
we could tab
you could tab
they could tab

V-ing form

I could be tabing
you could be tabing
he could be tabing
we could be tabing
you could be tabing
they could be tabing

Perfect

I could have tabed
you could have tabed
he could have tabed
we could have tabed
you could have tabed
they could have tabed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I tab?
could you tab?
could he tab?
could we tab?
could you tab?
could they tab?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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