I can standardize you can standardize she can standardize we can standardize you can standardize they can standardize
V-ing form
I can be standardizing you can be standardizing she can be standardizing we can be standardizing you can be standardizing they can be standardizing
Perfect
I can have standardized you can have standardized she can have standardized we can have standardized you can have standardized they can have standardized
V-ing perfect
I can have been standardizing you can have been standardizing she can have been standardizing we can have been standardizing you can have been standardizing they can have been standardizing
Negation
Simple form
I can't standardize you can't standardize she can't standardize we can't standardize you can't standardize they can't standardize
V-ing form
I can't be standardizing you can't be standardizing she can't be standardizing we can't be standardizing you can't be standardizing they can't be standardizing
Perfect
I can't have standardized you can't have standardized she can't have standardized we can't have standardized you can't have standardized they can't have standardized
V-ing perfect
I can't have been standardizing you can't have been standardizing she can't have been standardizing we can't have been standardizing you can't have been standardizing they can't have been standardizing
Interrogative form
Simple form
can I standardize? can you standardize? can she standardize? can we standardize? can you standardize? can they standardize?
V-ing form
can I be standardizing? can you be standardizing? can she be standardizing? can we be standardizing? can you be standardizing? can they be standardizing?
Perfect
can I have standardized? can you have standardized? can she have standardized? can we have standardized? can you have standardized? can they have standardized?
V-ing perfect
can I have been standardizing? can you have been standardizing? can she have been standardizing? can we have been standardizing? can you have been standardizing? can they have been standardizing?
Interro-negative form
Simple form
can't I standardize? can't you standardize? can't she standardize? can't we standardize? can't you standardize? can't they standardize?
V-ing form
can't I be standardizing? can't you be standardizing? can't she be standardizing? can't we be standardizing? can't you be standardizing? can't they be standardizing?
Perfect
can't I have standardized? can't you have standardized? can't she have standardized? can't we have standardized? can't you have standardized? can't they have standardized?
V-ing perfect
can't I have been standardizing? can't you have been standardizing? can't she have been standardizing? can't we have been standardizing? can't you have been standardizing? can't they have been standardizing?