English verb conjugation
CAN REALIZE

Regular verb: realize - realized - realized

Affirmation

Simple form	V-ing form
I can realize you can realize he can realize we can realize you can realize they can realize	I can be realizing you can be realizing he can be realizing we can be realizing you can be realizing they can be realizing
Perfect	V-ing perfect
I can have realized you can have realized he can have realized we can have realized you can have realized they can have realized	I can have been realizing you can have been realizing he can have been realizing we can have been realizing you can have been realizing they can have been realizing

Negation

Simple form	V-ing form
I can't realize you can't realize he can't realize we can't realize you can't realize they can't realize	I can't be realizing you can't be realizing he can't be realizing we can't be realizing you can't be realizing they can't be realizing
Perfect	V-ing perfect
I can't have realized you can't have realized he can't have realized we can't have realized you can't have realized they can't have realized	I can't have been realizing you can't have been realizing he can't have been realizing we can't have been realizing you can't have been realizing they can't have been realizing

Interrogative form

Simple form	V-ing form
can I realize? can you realize? can he realize? can we realize? can you realize? can they realize?	can I be realizing? can you be realizing? can he be realizing? can we be realizing? can you be realizing? can they be realizing?
Perfect	V-ing perfect
can I have realized? can you have realized? can he have realized? can we have realized? can you have realized? can they have realized?	can I have been realizing? can you have been realizing? can he have been realizing? can we have been realizing? can you have been realizing? can they have been realizing?

Interro-negative form

Simple form	V-ing form
can't I realize? can't you realize? can't he realize? can't we realize? can't you realize? can't they realize?	can't I be realizing? can't you be realizing? can't he be realizing? can't we be realizing? can't you be realizing? can't they be realizing?
Perfect	V-ing perfect
can't I have realized? can't you have realized? can't he have realized? can't we have realized? can't you have realized? can't they have realized?	can't I have been realizing? can't you have been realizing? can't he have been realizing? can't we have been realizing? can't you have been realizing? can't they have been realizing?