could caramelize
Regular verb: caramelize - caramelized- caramelized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could caramelize
you could caramelize
she could caramelize
we could caramelize
you could caramelize
they could caramelize 	I could be caramelizing
you could be caramelizing
she could be caramelizing
we could be caramelizing
you could be caramelizing
they could be caramelizing	I could have caramelized
you could have caramelized
she could have caramelized
we could have caramelized
you could have caramelized
they could have caramelized	I could have been caramelizing
you could have been caramelizing
she could have been caramelizing
we could have been caramelizing
you could have been caramelizing
they could have been caramelizing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't caramelize
you couldn't caramelize
she couldn't caramelize
we couldn't caramelize
you couldn't caramelize
they couldn't caramelize 	I couldn't be caramelizing
you couldn't be caramelizing
she couldn't be caramelizing
we couldn't be caramelizing
you couldn't be caramelizing
they couldn't be caramelizing	I couldn't have caramelized
you couldn't have caramelized
she couldn't have caramelized
we couldn't have caramelized
you couldn't have caramelized
they couldn't have caramelized	I couldn't have been caramelizing
you couldn't have been caramelizing
she couldn't have been caramelizing
we couldn't have been caramelizing
you couldn't have been caramelizing
they couldn't have been caramelizing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I caramelize?
could you caramelize?
could she caramelize?
could we caramelize?
could you caramelize?
could they caramelize? 	could I be caramelizing?
could you be caramelizing?
could she be caramelizing?
could we be caramelizing?
could you be caramelizing?
could they be caramelizing? 	could I have caramelized?
could you have caramelized?
could she have caramelized?
could we have caramelized?
could you have caramelized?
could they have caramelized? 	could I have been caramelizing?
could you have been caramelizing?
could she have been caramelizing?
could we have been caramelizing?
could you have been caramelizing?
could they have been caramelizing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I caramelize?
couldn't you caramelize?
couldn't she caramelize?
couldn't we caramelize?
couldn't you caramelize?
couldn't they caramelize? 	couldn't I be caramelizing?
couldn't you be caramelizing?
couldn't she be caramelizing?
couldn't we be caramelizing?
couldn't you be caramelizing?
couldn't they be caramelizing? 	couldn't I have caramelized?
couldn't you have caramelized?
couldn't she have caramelized?
couldn't we have caramelized?
couldn't you have caramelized?
couldn't they have caramelized? 	couldn't I have been caramelizing?
couldn't you have been caramelizing?
couldn't she have been caramelizing?
couldn't we have been caramelizing?
couldn't you have been caramelizing?
couldn't they have been caramelizing?