English verb conjugation
CAN COMBAT

Regular verb: combat - combated - combated

Affirmation

Simple form	V-ing form
I can combat you can combat he can combat we can combat you can combat they can combat	I can be combating you can be combating he can be combating we can be combating you can be combating they can be combating
Perfect	V-ing perfect
I can have combated you can have combated he can have combated we can have combated you can have combated they can have combated	I can have been combating you can have been combating he can have been combating we can have been combating you can have been combating they can have been combating

Negation

Simple form	V-ing form
I cannot combat you cannot combat he cannot combat we cannot combat you cannot combat they cannot combat	I cannot be combating you cannot be combating he cannot be combating we cannot be combating you cannot be combating they cannot be combating
Perfect	V-ing perfect
I cannot have combated you cannot have combated he cannot have combated we cannot have combated you cannot have combated they cannot have combated	I cannot have been combating you cannot have been combating he cannot have been combating we cannot have been combating you cannot have been combating they cannot have been combating

Interrogative form

Simple form	V-ing form
can I combat? can you combat? can he combat? can we combat? can you combat? can they combat?	can I be combating? can you be combating? can he be combating? can we be combating? can you be combating? can they be combating?
Perfect	V-ing perfect
can I have combated? can you have combated? can he have combated? can we have combated? can you have combated? can they have combated?	can I have been combating? can you have been combating? can he have been combating? can we have been combating? can you have been combating? can they have been combating?

Interro-negative form

Simple form	V-ing form
can I not combat? can you not combat? can he not combat? can we not combat? can you not combat? can they not combat?	can I not be combating? can you not be combating? can he not be combating? can we not be combating? can you not be combating? can they not be combating?
Perfect	V-ing perfect
can I not have combated? can you not have combated? can he not have combated? can we not have combated? can you not have combated? can they not have combated?	can I not have been combating? can you not have been combating? can he not have been combating? can we not have been combating? can you not have been combating? can they not have been combating?