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 cannot standardize you cannot standardize he cannot standardize we cannot standardize you cannot standardize they cannot standardize
V-ing form
I cannot be standardizing you cannot be standardizing he cannot be standardizing we cannot be standardizing you cannot be standardizing they cannot be standardizing
Perfect
I cannot have standardized you cannot have standardized he cannot have standardized we cannot have standardized you cannot have standardized they cannot have standardized
V-ing perfect
I cannot have been standardizing you cannot have been standardizing he cannot have been standardizing we cannot have been standardizing you cannot have been standardizing they cannot 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 I not standardize? can you not standardize? can he not standardize? can we not standardize? can you not standardize? can they not standardize?
V-ing form
can I not be standardizing? can you not be standardizing? can he not be standardizing? can we not be standardizing? can you not be standardizing? can they not be standardizing?
Perfect
can I not have standardized? can you not have standardized? can he not have standardized? can we not have standardized? can you not have standardized? can they not have standardized?
V-ing perfect
can I not have been standardizing? can you not have been standardizing? can he not have been standardizing? can we not have been standardizing? can you not have been standardizing? can they not have been standardizing?