English verb conjugation COULD DUMB

Regular verb: dumb - dumbed - dumbed

Affirmation

Simple form

I could dumb
you could dumb
she could dumb
we could dumb
you could dumb
they could dumb

V-ing form

I could be dumbing
you could be dumbing
she could be dumbing
we could be dumbing
you could be dumbing
they could be dumbing

Perfect

I could have dumbed
you could have dumbed
she could have dumbed
we could have dumbed
you could have dumbed
they could have dumbed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I dumb?
could you dumb?
could she dumb?
could we dumb?
could you dumb?
could they dumb?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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