English verb conjugation
COULD HYPOTHESIZE

Regular verb: hypothesize - hypothesized - hypothesized

Affirmation

Simple form	V-ing form
I could hypothesize you could hypothesize she could hypothesize we could hypothesize you could hypothesize they could hypothesize	I could be hypothesizing you could be hypothesizing she 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 she 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 she 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 couldn't hypothesize you couldn't hypothesize she couldn't hypothesize we couldn't hypothesize you couldn't hypothesize they couldn't hypothesize	I couldn't be hypothesizing you couldn't be hypothesizing she couldn't be hypothesizing we couldn't be hypothesizing you couldn't be hypothesizing they couldn't be hypothesizing
Perfect	V-ing perfect
I couldn't have hypothesized you couldn't have hypothesized she couldn't have hypothesized we couldn't have hypothesized you couldn't have hypothesized they couldn't have hypothesized	I couldn't have been hypothesizing you couldn't have been hypothesizing she couldn't have been hypothesizing we couldn't have been hypothesizing you couldn't have been hypothesizing they couldn't have been hypothesizing

Interrogative form

Simple form	V-ing form
could I hypothesize? could you hypothesize? could she hypothesize? could we hypothesize? could you hypothesize? could they hypothesize?	could I be hypothesizing? could you be hypothesizing? could she 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 she 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 she 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
couldn't I hypothesize? couldn't you hypothesize? couldn't she hypothesize? couldn't we hypothesize? couldn't you hypothesize? couldn't they hypothesize?	couldn't I be hypothesizing? couldn't you be hypothesizing? couldn't she be hypothesizing? couldn't we be hypothesizing? couldn't you be hypothesizing? couldn't they be hypothesizing?
Perfect	V-ing perfect
couldn't I have hypothesized? couldn't you have hypothesized? couldn't she have hypothesized? couldn't we have hypothesized? couldn't you have hypothesized? couldn't they have hypothesized?	couldn't I have been hypothesizing? couldn't you have been hypothesizing? couldn't she have been hypothesizing? couldn't we have been hypothesizing? couldn't you have been hypothesizing? couldn't they have been hypothesizing?