I could normalize you could normalize he could normalize we could normalize you could normalize they could normalize
V-ing form
I could be normalizing you could be normalizing he could be normalizing we could be normalizing you could be normalizing they could be normalizing
Perfect
I could have normalized you could have normalized he could have normalized we could have normalized you could have normalized they could have normalized
V-ing perfect
I could have been normalizing you could have been normalizing he could have been normalizing we could have been normalizing you could have been normalizing they could have been normalizing
Negation
Simple form
I could not normalize you could not normalize he could not normalize we could not normalize you could not normalize they could not normalize
V-ing form
I could not be normalizing you could not be normalizing he could not be normalizing we could not be normalizing you could not be normalizing they could not be normalizing
Perfect
I could not have normalized you could not have normalized he could not have normalized we could not have normalized you could not have normalized they could not have normalized
V-ing perfect
I could not have been normalizing you could not have been normalizing he could not have been normalizing we could not have been normalizing you could not have been normalizing they could not have been normalizing
Interrogative form
Simple form
could I normalize? could you normalize? could he normalize? could we normalize? could you normalize? could they normalize?
V-ing form
could I be normalizing? could you be normalizing? could he be normalizing? could we be normalizing? could you be normalizing? could they be normalizing?
Perfect
could I have normalized? could you have normalized? could he have normalized? could we have normalized? could you have normalized? could they have normalized?
V-ing perfect
could I have been normalizing? could you have been normalizing? could he have been normalizing? could we have been normalizing? could you have been normalizing? could they have been normalizing?
Interro-negative form
Simple form
could I not normalize? could you not normalize? could he not normalize? could we not normalize? could you not normalize? could they not normalize?
V-ing form
could I not be normalizing? could you not be normalizing? could he not be normalizing? could we not be normalizing? could you not be normalizing? could they not be normalizing?
Perfect
could I not have normalized? could you not have normalized? could he not have normalized? could we not have normalized? could you not have normalized? could they not have normalized?
V-ing perfect
could I not have been normalizing? could you not have been normalizing? could he not have been normalizing? could we not have been normalizing? could you not have been normalizing? could they not have been normalizing?