English verb conjugation
COULD HYPOTHESIZE

Regular verb: hypothesize - hypothesized - hypothesized

Affirmation

Simple form	V-ing form
I could hypothesize you could hypothesize he could hypothesize we could hypothesize you could hypothesize they could hypothesize	I could be hypothesizing you could be hypothesizing he could be hypothesizing we could be hypothesizing you could be hypothesizing they could be hypothesizing
Perfect	V-ing perfect
I could have hypothesized you could have hypothesized he could have hypothesized we could have hypothesized you could have hypothesized they could have hypothesized	I could have been hypothesizing you could have been hypothesizing he could have been hypothesizing we could have been hypothesizing you could have been hypothesizing they could have been hypothesizing

Negation

Simple form	V-ing form
I could not hypothesize you could not hypothesize he could not hypothesize we could not hypothesize you could not hypothesize they could not hypothesize	I could not be hypothesizing you could not be hypothesizing he could not be hypothesizing we could not be hypothesizing you could not be hypothesizing they could not be hypothesizing
Perfect	V-ing perfect
I could not have hypothesized you could not have hypothesized he could not have hypothesized we could not have hypothesized you could not have hypothesized they could not have hypothesized	I could not have been hypothesizing you could not have been hypothesizing he could not have been hypothesizing we could not have been hypothesizing you could not have been hypothesizing they could not have been hypothesizing

Interrogative form

Simple form	V-ing form
could I hypothesize? could you hypothesize? could he hypothesize? could we hypothesize? could you hypothesize? could they hypothesize?	could I be hypothesizing? could you be hypothesizing? could he be hypothesizing? could we be hypothesizing? could you be hypothesizing? could they be hypothesizing?
Perfect	V-ing perfect
could I have hypothesized? could you have hypothesized? could he have hypothesized? could we have hypothesized? could you have hypothesized? could they have hypothesized?	could I have been hypothesizing? could you have been hypothesizing? could he have been hypothesizing? could we have been hypothesizing? could you have been hypothesizing? could they have been hypothesizing?

Interro-negative form

Simple form	V-ing form
could I not hypothesize? could you not hypothesize? could he not hypothesize? could we not hypothesize? could you not hypothesize? could they not hypothesize?	could I not be hypothesizing? could you not be hypothesizing? could he not be hypothesizing? could we not be hypothesizing? could you not be hypothesizing? could they not be hypothesizing?
Perfect	V-ing perfect
could I not have hypothesized? could you not have hypothesized? could he not have hypothesized? could we not have hypothesized? could you not have hypothesized? could they not have hypothesized?	could I not have been hypothesizing? could you not have been hypothesizing? could he not have been hypothesizing? could we not have been hypothesizing? could you not have been hypothesizing? could they not have been hypothesizing?