English verb conjugation
CAN CRYSTALLIZE

Regular verb: crystallize - crystallized - crystallized

Affirmation

Simple form	V-ing form
I can crystallize you can crystallize he can crystallize we can crystallize you can crystallize they can crystallize	I can be crystallizing you can be crystallizing he can be crystallizing we can be crystallizing you can be crystallizing they can be crystallizing
Perfect	V-ing perfect
I can have crystallized you can have crystallized he can have crystallized we can have crystallized you can have crystallized they can have crystallized	I can have been crystallizing you can have been crystallizing he can have been crystallizing we can have been crystallizing you can have been crystallizing they can have been crystallizing

Negation

Simple form	V-ing form
I can't crystallize you can't crystallize he can't crystallize we can't crystallize you can't crystallize they can't crystallize	I can't be crystallizing you can't be crystallizing he can't be crystallizing we can't be crystallizing you can't be crystallizing they can't be crystallizing
Perfect	V-ing perfect
I can't have crystallized you can't have crystallized he can't have crystallized we can't have crystallized you can't have crystallized they can't have crystallized	I can't have been crystallizing you can't have been crystallizing he can't have been crystallizing we can't have been crystallizing you can't have been crystallizing they can't have been crystallizing

Interrogative form

Simple form	V-ing form
can I crystallize? can you crystallize? can he crystallize? can we crystallize? can you crystallize? can they crystallize?	can I be crystallizing? can you be crystallizing? can he be crystallizing? can we be crystallizing? can you be crystallizing? can they be crystallizing?
Perfect	V-ing perfect
can I have crystallized? can you have crystallized? can he have crystallized? can we have crystallized? can you have crystallized? can they have crystallized?	can I have been crystallizing? can you have been crystallizing? can he have been crystallizing? can we have been crystallizing? can you have been crystallizing? can they have been crystallizing?

Interro-negative form

Simple form	V-ing form
can't I crystallize? can't you crystallize? can't he crystallize? can't we crystallize? can't you crystallize? can't they crystallize?	can't I be crystallizing? can't you be crystallizing? can't he be crystallizing? can't we be crystallizing? can't you be crystallizing? can't they be crystallizing?
Perfect	V-ing perfect
can't I have crystallized? can't you have crystallized? can't he have crystallized? can't we have crystallized? can't you have crystallized? can't they have crystallized?	can't I have been crystallizing? can't you have been crystallizing? can't he have been crystallizing? can't we have been crystallizing? can't you have been crystallizing? can't they have been crystallizing?