English verb conjugation
CAN ENDEAVOR

Regular verb: endeavor - endeavored - endeavored

Affirmation

Simple form	V-ing form
I can endeavor you can endeavor he can endeavor we can endeavor you can endeavor they can endeavor	I can be endeavoring you can be endeavoring he can be endeavoring we can be endeavoring you can be endeavoring they can be endeavoring
Perfect	V-ing perfect
I can have endeavored you can have endeavored he can have endeavored we can have endeavored you can have endeavored they can have endeavored	I can have been endeavoring you can have been endeavoring he can have been endeavoring we can have been endeavoring you can have been endeavoring they can have been endeavoring

Negation

Simple form	V-ing form
I can't endeavor you can't endeavor he can't endeavor we can't endeavor you can't endeavor they can't endeavor	I can't be endeavoring you can't be endeavoring he can't be endeavoring we can't be endeavoring you can't be endeavoring they can't be endeavoring
Perfect	V-ing perfect
I can't have endeavored you can't have endeavored he can't have endeavored we can't have endeavored you can't have endeavored they can't have endeavored	I can't have been endeavoring you can't have been endeavoring he can't have been endeavoring we can't have been endeavoring you can't have been endeavoring they can't have been endeavoring

Interrogative form

Simple form	V-ing form
can I endeavor? can you endeavor? can he endeavor? can we endeavor? can you endeavor? can they endeavor?	can I be endeavoring? can you be endeavoring? can he be endeavoring? can we be endeavoring? can you be endeavoring? can they be endeavoring?
Perfect	V-ing perfect
can I have endeavored? can you have endeavored? can he have endeavored? can we have endeavored? can you have endeavored? can they have endeavored?	can I have been endeavoring? can you have been endeavoring? can he have been endeavoring? can we have been endeavoring? can you have been endeavoring? can they have been endeavoring?

Interro-negative form

Simple form	V-ing form
can't I endeavor? can't you endeavor? can't he endeavor? can't we endeavor? can't you endeavor? can't they endeavor?	can't I be endeavoring? can't you be endeavoring? can't he be endeavoring? can't we be endeavoring? can't you be endeavoring? can't they be endeavoring?
Perfect	V-ing perfect
can't I have endeavored? can't you have endeavored? can't he have endeavored? can't we have endeavored? can't you have endeavored? can't they have endeavored?	can't I have been endeavoring? can't you have been endeavoring? can't he have been endeavoring? can't we have been endeavoring? can't you have been endeavoring? can't they have been endeavoring?