could gelatinise
Regular verb: gelatinise - gelatinised- gelatinised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could gelatinise
you could gelatinise
she could gelatinise
we could gelatinise
you could gelatinise
they could gelatinise 	I could be gelatinising
you could be gelatinising
she could be gelatinising
we could be gelatinising
you could be gelatinising
they could be gelatinising	I could have gelatinised
you could have gelatinised
she could have gelatinised
we could have gelatinised
you could have gelatinised
they could have gelatinised	I could have been gelatinising
you could have been gelatinising
she could have been gelatinising
we could have been gelatinising
you could have been gelatinising
they could have been gelatinising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not gelatinise
you could not gelatinise
she could not gelatinise
we could not gelatinise
you could not gelatinise
they could not gelatinise 	I could not be gelatinising
you could not be gelatinising
she could not be gelatinising
we could not be gelatinising
you could not be gelatinising
they could not be gelatinising	I could not have gelatinised
you could not have gelatinised
she could not have gelatinised
we could not have gelatinised
you could not have gelatinised
they could not have gelatinised	I could not have been gelatinising
you could not have been gelatinising
she could not have been gelatinising
we could not have been gelatinising
you could not have been gelatinising
they could not have been gelatinising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I gelatinise?
could you gelatinise?
could she gelatinise?
could we gelatinise?
could you gelatinise?
could they gelatinise? 	could I be gelatinising?
could you be gelatinising?
could she be gelatinising?
could we be gelatinising?
could you be gelatinising?
could they be gelatinising? 	could I have gelatinised?
could you have gelatinised?
could she have gelatinised?
could we have gelatinised?
could you have gelatinised?
could they have gelatinised? 	could I have been gelatinising?
could you have been gelatinising?
could she have been gelatinising?
could we have been gelatinising?
could you have been gelatinising?
could they have been gelatinising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not gelatinise?
could you not gelatinise?
could she not gelatinise?
could we not gelatinise?
could you not gelatinise?
could they not gelatinise? 	could I not be gelatinising?
could you not be gelatinising?
could she not be gelatinising?
could we not be gelatinising?
could you not be gelatinising?
could they not be gelatinising? 	could I not have gelatinised?
could you not have gelatinised?
could she not have gelatinised?
could we not have gelatinised?
could you not have gelatinised?
could they not have gelatinised? 	could I not have been gelatinising?
could you not have been gelatinising?
could she not have been gelatinising?
could we not have been gelatinising?
could you not have been gelatinising?
could they not have been gelatinising?