English verb conjugation COULD ENDEAVOR

Regular verb: endeavor - endeavored - endeavored

Affirmation

Simple form

I could endeavor
you could endeavor
she could endeavor
we could endeavor
you could endeavor
they could endeavor

V-ing form

I could be endeavoring
you could be endeavoring
she could be endeavoring
we could be endeavoring
you could be endeavoring
they could be endeavoring

Perfect

I could have endeavored
you could have endeavored
she could have endeavored
we could have endeavored
you could have endeavored
they could have endeavored

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I endeavor?
could you endeavor?
could she endeavor?
could we endeavor?
could you endeavor?
could they endeavor?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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