English verb conjugation
CAN THEORIZE

Regular verb: theorize - theorized - theorized

Affirmation

Simple form	V-ing form
I can theorize you can theorize he can theorize we can theorize you can theorize they can theorize	I can be theorizing you can be theorizing he can be theorizing we can be theorizing you can be theorizing they can be theorizing
Perfect	V-ing perfect
I can have theorized you can have theorized he can have theorized we can have theorized you can have theorized they can have theorized	I can have been theorizing you can have been theorizing he can have been theorizing we can have been theorizing you can have been theorizing they can have been theorizing

Negation

Simple form	V-ing form
I cannot theorize you cannot theorize he cannot theorize we cannot theorize you cannot theorize they cannot theorize	I cannot be theorizing you cannot be theorizing he cannot be theorizing we cannot be theorizing you cannot be theorizing they cannot be theorizing
Perfect	V-ing perfect
I cannot have theorized you cannot have theorized he cannot have theorized we cannot have theorized you cannot have theorized they cannot have theorized	I cannot have been theorizing you cannot have been theorizing he cannot have been theorizing we cannot have been theorizing you cannot have been theorizing they cannot have been theorizing

Interrogative form

Simple form	V-ing form
can I theorize? can you theorize? can he theorize? can we theorize? can you theorize? can they theorize?	can I be theorizing? can you be theorizing? can he be theorizing? can we be theorizing? can you be theorizing? can they be theorizing?
Perfect	V-ing perfect
can I have theorized? can you have theorized? can he have theorized? can we have theorized? can you have theorized? can they have theorized?	can I have been theorizing? can you have been theorizing? can he have been theorizing? can we have been theorizing? can you have been theorizing? can they have been theorizing?

Interro-negative form

Simple form	V-ing form
can I not theorize? can you not theorize? can he not theorize? can we not theorize? can you not theorize? can they not theorize?	can I not be theorizing? can you not be theorizing? can he not be theorizing? can we not be theorizing? can you not be theorizing? can they not be theorizing?
Perfect	V-ing perfect
can I not have theorized? can you not have theorized? can he not have theorized? can we not have theorized? can you not have theorized? can they not have theorized?	can I not have been theorizing? can you not have been theorizing? can he not have been theorizing? can we not have been theorizing? can you not have been theorizing? can they not have been theorizing?