I can standardize you can standardize he can standardize we can standardize you can standardize they can standardize
V-ing form
I can be standardizing you can be standardizing he can be standardizing we can be standardizing you can be standardizing they can be standardizing
Perfect
I can have standardized you can have standardized he 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 he 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 he 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 he 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 he 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 he 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 he standardize? can we standardize? can you standardize? can they standardize?
V-ing form
can I be standardizing? can you be standardizing? can he be standardizing? can we be standardizing? can you be standardizing? can they be standardizing?
Perfect
can I have standardized? can you have standardized? can he 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 he 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 he 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 he 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 he 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 he have been standardizing? can't we have been standardizing? can't you have been standardizing? can't they have been standardizing?