English verb conjugation COULD WITHSTAND

Irregular verb: withstand - withstood - withstood

Affirmation

Simple form

I could withstand
you could withstand
he could withstand
we could withstand
you could withstand
they could withstand

V-ing form

I could be withstanding
you could be withstanding
he could be withstanding
we could be withstanding
you could be withstanding
they could be withstanding

Perfect

I could have withstood
you could have withstood
he could have withstood
we could have withstood
you could have withstood
they could have withstood

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I withstand?
could you withstand?
could he withstand?
could we withstand?
could you withstand?
could they withstand?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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