could hypothesise
Regular verb: hypothesise - hypothesised- hypothesised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could hypothesise
you could hypothesise
she could hypothesise
we could hypothesise
you could hypothesise
they could hypothesise 	I could be hypothesising
you could be hypothesising
she could be hypothesising
we could be hypothesising
you could be hypothesising
they could be hypothesising	I could have hypothesised
you could have hypothesised
she 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
she 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 	Perfect 	V-ing perfect 	
I could not hypothesise
you could not hypothesise
she could not hypothesise
we could not hypothesise
you could not hypothesise
they could not hypothesise 	I could not be hypothesising
you could not be hypothesising
she could not be hypothesising
we could not be hypothesising
you could not be hypothesising
they could not be hypothesising	I could not have hypothesised
you could not have hypothesised
she could not have hypothesised
we could not have hypothesised
you could not have hypothesised
they could not have hypothesised	I could not have been hypothesising
you could not have been hypothesising
she could not have been hypothesising
we could not have been hypothesising
you could not have been hypothesising
they could not have been hypothesising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I hypothesise?
could you hypothesise?
could she hypothesise?
could we hypothesise?
could you hypothesise?
could they hypothesise? 	could I be hypothesising?
could you be hypothesising?
could she be hypothesising?
could we be hypothesising?
could you be hypothesising?
could they be hypothesising? 	could I have hypothesised?
could you have hypothesised?
could she 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 she 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 	Perfect 	V-ing perfect 	
could I not hypothesise?
could you not hypothesise?
could she not hypothesise?
could we not hypothesise?
could you not hypothesise?
could they not hypothesise? 	could I not be hypothesising?
could you not be hypothesising?
could she not be hypothesising?
could we not be hypothesising?
could you not be hypothesising?
could they not be hypothesising? 	could I not have hypothesised?
could you not have hypothesised?
could she not have hypothesised?
could we not have hypothesised?
could you not have hypothesised?
could they not have hypothesised? 	could I not have been hypothesising?
could you not have been hypothesising?
could she not have been hypothesising?
could we not have been hypothesising?
could you not have been hypothesising?
could they not have been hypothesising?