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 can't theorize you can't theorize he can't theorize we can't theorize you can't theorize they can't theorize	I can't be theorizing you can't be theorizing he can't be theorizing we can't be theorizing you can't be theorizing they can't be theorizing
Perfect	V-ing perfect
I can't have theorized you can't have theorized he can't have theorized we can't have theorized you can't have theorized they can't have theorized	I can't have been theorizing you can't have been theorizing he can't have been theorizing we can't have been theorizing you can't have been theorizing they can't 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't I theorize? can't you theorize? can't he theorize? can't we theorize? can't you theorize? can't they theorize?	can't I be theorizing? can't you be theorizing? can't he be theorizing? can't we be theorizing? can't you be theorizing? can't they be theorizing?
Perfect	V-ing perfect
can't I have theorized? can't you have theorized? can't he have theorized? can't we have theorized? can't you have theorized? can't they have theorized?	can't I have been theorizing? can't you have been theorizing? can't he have been theorizing? can't we have been theorizing? can't you have been theorizing? can't they have been theorizing?