English verb conjugation
CAN SYSTEMATIZE

Regular verb: systematize - systematized - systematized

Affirmation

Simple form	V-ing form
I can systematize you can systematize he can systematize we can systematize you can systematize they can systematize	I can be systematizing you can be systematizing he can be systematizing we can be systematizing you can be systematizing they can be systematizing
Perfect	V-ing perfect
I can have systematized you can have systematized he can have systematized we can have systematized you can have systematized they can have systematized	I can have been systematizing you can have been systematizing he can have been systematizing we can have been systematizing you can have been systematizing they can have been systematizing

Negation

Simple form	V-ing form
I can't systematize you can't systematize he can't systematize we can't systematize you can't systematize they can't systematize	I can't be systematizing you can't be systematizing he can't be systematizing we can't be systematizing you can't be systematizing they can't be systematizing
Perfect	V-ing perfect
I can't have systematized you can't have systematized he can't have systematized we can't have systematized you can't have systematized they can't have systematized	I can't have been systematizing you can't have been systematizing he can't have been systematizing we can't have been systematizing you can't have been systematizing they can't have been systematizing

Interrogative form

Simple form	V-ing form
can I systematize? can you systematize? can he systematize? can we systematize? can you systematize? can they systematize?	can I be systematizing? can you be systematizing? can he be systematizing? can we be systematizing? can you be systematizing? can they be systematizing?
Perfect	V-ing perfect
can I have systematized? can you have systematized? can he have systematized? can we have systematized? can you have systematized? can they have systematized?	can I have been systematizing? can you have been systematizing? can he have been systematizing? can we have been systematizing? can you have been systematizing? can they have been systematizing?

Interro-negative form

Simple form	V-ing form
can't I systematize? can't you systematize? can't he systematize? can't we systematize? can't you systematize? can't they systematize?	can't I be systematizing? can't you be systematizing? can't he be systematizing? can't we be systematizing? can't you be systematizing? can't they be systematizing?
Perfect	V-ing perfect
can't I have systematized? can't you have systematized? can't he have systematized? can't we have systematized? can't you have systematized? can't they have systematized?	can't I have been systematizing? can't you have been systematizing? can't he have been systematizing? can't we have been systematizing? can't you have been systematizing? can't they have been systematizing?