English verb conjugation COULD SUCCUMB

Regular verb: succumb - succumbed - succumbed

Affirmation

Simple form

I could succumb
you could succumb
he could succumb
we could succumb
you could succumb
they could succumb

V-ing form

I could be succumbing
you could be succumbing
he could be succumbing
we could be succumbing
you could be succumbing
they could be succumbing

Perfect

I could have succumbed
you could have succumbed
he could have succumbed
we could have succumbed
you could have succumbed
they could have succumbed

V-ing perfect

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

Negation

Simple form

I could not succumb
you could not succumb
he could not succumb
we could not succumb
you could not succumb
they could not succumb

V-ing form

I could not be succumbing
you could not be succumbing
he could not be succumbing
we could not be succumbing
you could not be succumbing
they could not be succumbing

Perfect

I could not have succumbed
you could not have succumbed
he could not have succumbed
we could not have succumbed
you could not have succumbed
they could not have succumbed

V-ing perfect

I could not have been succumbing
you could not have been succumbing
he could not have been succumbing
we could not have been succumbing
you could not have been succumbing
they could not have been succumbing

Interrogative form

Simple form

could I succumb?
could you succumb?
could he succumb?
could we succumb?
could you succumb?
could they succumb?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

could I not succumb?
could you not succumb?
could he not succumb?
could we not succumb?
could you not succumb?
could they not succumb?

V-ing form

could I not be succumbing?
could you not be succumbing?
could he not be succumbing?
could we not be succumbing?
could you not be succumbing?
could they not be succumbing?

Perfect

could I not have succumbed?
could you not have succumbed?
could he not have succumbed?
could we not have succumbed?
could you not have succumbed?
could they not have succumbed?

V-ing perfect

could I not have been succumbing?
could you not have been succumbing?
could he not have been succumbing?
could we not have been succumbing?
could you not have been succumbing?
could they not have been succumbing?

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