could acidulate
Regular verb: acidulate - acidulated- acidulated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could acidulate
you could acidulate
she could acidulate
we could acidulate
you could acidulate
they could acidulate 	I could be acidulating
you could be acidulating
she could be acidulating
we could be acidulating
you could be acidulating
they could be acidulating	I could have acidulated
you could have acidulated
she could have acidulated
we could have acidulated
you could have acidulated
they could have acidulated	I could have been acidulating
you could have been acidulating
she could have been acidulating
we could have been acidulating
you could have been acidulating
they could have been acidulating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't acidulate
you couldn't acidulate
she couldn't acidulate
we couldn't acidulate
you couldn't acidulate
they couldn't acidulate 	I couldn't be acidulating
you couldn't be acidulating
she couldn't be acidulating
we couldn't be acidulating
you couldn't be acidulating
they couldn't be acidulating	I couldn't have acidulated
you couldn't have acidulated
she couldn't have acidulated
we couldn't have acidulated
you couldn't have acidulated
they couldn't have acidulated	I couldn't have been acidulating
you couldn't have been acidulating
she couldn't have been acidulating
we couldn't have been acidulating
you couldn't have been acidulating
they couldn't have been acidulating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I acidulate?
could you acidulate?
could she acidulate?
could we acidulate?
could you acidulate?
could they acidulate? 	could I be acidulating?
could you be acidulating?
could she be acidulating?
could we be acidulating?
could you be acidulating?
could they be acidulating? 	could I have acidulated?
could you have acidulated?
could she have acidulated?
could we have acidulated?
could you have acidulated?
could they have acidulated? 	could I have been acidulating?
could you have been acidulating?
could she have been acidulating?
could we have been acidulating?
could you have been acidulating?
could they have been acidulating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I acidulate?
couldn't you acidulate?
couldn't she acidulate?
couldn't we acidulate?
couldn't you acidulate?
couldn't they acidulate? 	couldn't I be acidulating?
couldn't you be acidulating?
couldn't she be acidulating?
couldn't we be acidulating?
couldn't you be acidulating?
couldn't they be acidulating? 	couldn't I have acidulated?
couldn't you have acidulated?
couldn't she have acidulated?
couldn't we have acidulated?
couldn't you have acidulated?
couldn't they have acidulated? 	couldn't I have been acidulating?
couldn't you have been acidulating?
couldn't she have been acidulating?
couldn't we have been acidulating?
couldn't you have been acidulating?
couldn't they have been acidulating?