could commiserate
Regular verb: commiserate - commiserated- commiserated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could commiserate
you could commiserate
she could commiserate
we could commiserate
you could commiserate
they could commiserate 	I could be commiserating
you could be commiserating
she could be commiserating
we could be commiserating
you could be commiserating
they could be commiserating	I could have commiserated
you could have commiserated
she could have commiserated
we could have commiserated
you could have commiserated
they could have commiserated	I could have been commiserating
you could have been commiserating
she could have been commiserating
we could have been commiserating
you could have been commiserating
they could have been commiserating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't commiserate
you couldn't commiserate
she couldn't commiserate
we couldn't commiserate
you couldn't commiserate
they couldn't commiserate 	I couldn't be commiserating
you couldn't be commiserating
she couldn't be commiserating
we couldn't be commiserating
you couldn't be commiserating
they couldn't be commiserating	I couldn't have commiserated
you couldn't have commiserated
she couldn't have commiserated
we couldn't have commiserated
you couldn't have commiserated
they couldn't have commiserated	I couldn't have been commiserating
you couldn't have been commiserating
she couldn't have been commiserating
we couldn't have been commiserating
you couldn't have been commiserating
they couldn't have been commiserating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I commiserate?
could you commiserate?
could she commiserate?
could we commiserate?
could you commiserate?
could they commiserate? 	could I be commiserating?
could you be commiserating?
could she be commiserating?
could we be commiserating?
could you be commiserating?
could they be commiserating? 	could I have commiserated?
could you have commiserated?
could she have commiserated?
could we have commiserated?
could you have commiserated?
could they have commiserated? 	could I have been commiserating?
could you have been commiserating?
could she have been commiserating?
could we have been commiserating?
could you have been commiserating?
could they have been commiserating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I commiserate?
couldn't you commiserate?
couldn't she commiserate?
couldn't we commiserate?
couldn't you commiserate?
couldn't they commiserate? 	couldn't I be commiserating?
couldn't you be commiserating?
couldn't she be commiserating?
couldn't we be commiserating?
couldn't you be commiserating?
couldn't they be commiserating? 	couldn't I have commiserated?
couldn't you have commiserated?
couldn't she have commiserated?
couldn't we have commiserated?
couldn't you have commiserated?
couldn't they have commiserated? 	couldn't I have been commiserating?
couldn't you have been commiserating?
couldn't she have been commiserating?
couldn't we have been commiserating?
couldn't you have been commiserating?
couldn't they have been commiserating?