English verb conjugation
COULD HYPOTHESISE

Regular verb: hypothesise - hypothesised - hypothesised

Affirmation

Simple form	V-ing form
I could hypothesise you could hypothesise he could hypothesise we could hypothesise you could hypothesise they could hypothesise	I could be hypothesising you could be hypothesising he could be hypothesising we could be hypothesising you could be hypothesising they could be hypothesising
Perfect	V-ing perfect
I could have hypothesised you could have hypothesised he could have hypothesised we could have hypothesised you could have hypothesised they could have hypothesised	I could have been hypothesising you could have been hypothesising he could have been hypothesising we could have been hypothesising you could have been hypothesising they could have been hypothesising

Negation

Simple form	V-ing form
I couldn't hypothesise you couldn't hypothesise he couldn't hypothesise we couldn't hypothesise you couldn't hypothesise they couldn't hypothesise	I couldn't be hypothesising you couldn't be hypothesising he couldn't be hypothesising we couldn't be hypothesising you couldn't be hypothesising they couldn't be hypothesising
Perfect	V-ing perfect
I couldn't have hypothesised you couldn't have hypothesised he couldn't have hypothesised we couldn't have hypothesised you couldn't have hypothesised they couldn't have hypothesised	I couldn't have been hypothesising you couldn't have been hypothesising he couldn't have been hypothesising we couldn't have been hypothesising you couldn't have been hypothesising they couldn't have been hypothesising

Interrogative form

Simple form	V-ing form
could I hypothesise? could you hypothesise? could he hypothesise? could we hypothesise? could you hypothesise? could they hypothesise?	could I be hypothesising? could you be hypothesising? could he be hypothesising? could we be hypothesising? could you be hypothesising? could they be hypothesising?
Perfect	V-ing perfect
could I have hypothesised? could you have hypothesised? could he have hypothesised? could we have hypothesised? could you have hypothesised? could they have hypothesised?	could I have been hypothesising? could you have been hypothesising? could he have been hypothesising? could we have been hypothesising? could you have been hypothesising? could they have been hypothesising?

Interro-negative form

Simple form	V-ing form
couldn't I hypothesise? couldn't you hypothesise? couldn't he hypothesise? couldn't we hypothesise? couldn't you hypothesise? couldn't they hypothesise?	couldn't I be hypothesising? couldn't you be hypothesising? couldn't he be hypothesising? couldn't we be hypothesising? couldn't you be hypothesising? couldn't they be hypothesising?
Perfect	V-ing perfect
couldn't I have hypothesised? couldn't you have hypothesised? couldn't he have hypothesised? couldn't we have hypothesised? couldn't you have hypothesised? couldn't they have hypothesised?	couldn't I have been hypothesising? couldn't you have been hypothesising? couldn't he have been hypothesising? couldn't we have been hypothesising? couldn't you have been hypothesising? couldn't they have been hypothesising?