English verb conjugation
CAN BEHAVE

Regular verb: behave - behaved - behaved

Affirmation

Simple form	V-ing form
I can behave you can behave he can behave we can behave you can behave they can behave	I can be behaving you can be behaving he can be behaving we can be behaving you can be behaving they can be behaving
Perfect	V-ing perfect
I can have behaved you can have behaved he can have behaved we can have behaved you can have behaved they can have behaved	I can have been behaving you can have been behaving he can have been behaving we can have been behaving you can have been behaving they can have been behaving

Negation

Simple form	V-ing form
I can't behave you can't behave he can't behave we can't behave you can't behave they can't behave	I can't be behaving you can't be behaving he can't be behaving we can't be behaving you can't be behaving they can't be behaving
Perfect	V-ing perfect
I can't have behaved you can't have behaved he can't have behaved we can't have behaved you can't have behaved they can't have behaved	I can't have been behaving you can't have been behaving he can't have been behaving we can't have been behaving you can't have been behaving they can't have been behaving

Interrogative form

Simple form	V-ing form
can I behave? can you behave? can he behave? can we behave? can you behave? can they behave?	can I be behaving? can you be behaving? can he be behaving? can we be behaving? can you be behaving? can they be behaving?
Perfect	V-ing perfect
can I have behaved? can you have behaved? can he have behaved? can we have behaved? can you have behaved? can they have behaved?	can I have been behaving? can you have been behaving? can he have been behaving? can we have been behaving? can you have been behaving? can they have been behaving?

Interro-negative form

Simple form	V-ing form
can't I behave? can't you behave? can't he behave? can't we behave? can't you behave? can't they behave?	can't I be behaving? can't you be behaving? can't he be behaving? can't we be behaving? can't you be behaving? can't they be behaving?
Perfect	V-ing perfect
can't I have behaved? can't you have behaved? can't he have behaved? can't we have behaved? can't you have behaved? can't they have behaved?	can't I have been behaving? can't you have been behaving? can't he have been behaving? can't we have been behaving? can't you have been behaving? can't they have been behaving?