could refridgerate
Regular verb: refridgerate - refridgerated- refridgerated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could refridgerate
you could refridgerate
he could refridgerate
we could refridgerate
you could refridgerate
they could refridgerate 	I could be refridgerating
you could be refridgerating
he could be refridgerating
we could be refridgerating
you could be refridgerating
they could be refridgerating	I could have refridgerated
you could have refridgerated
he could have refridgerated
we could have refridgerated
you could have refridgerated
they could have refridgerated	I could have been refridgerating
you could have been refridgerating
he could have been refridgerating
we could have been refridgerating
you could have been refridgerating
they could have been refridgerating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not refridgerate
you could not refridgerate
he could not refridgerate
we could not refridgerate
you could not refridgerate
they could not refridgerate 	I could not be refridgerating
you could not be refridgerating
he could not be refridgerating
we could not be refridgerating
you could not be refridgerating
they could not be refridgerating	I could not have refridgerated
you could not have refridgerated
he could not have refridgerated
we could not have refridgerated
you could not have refridgerated
they could not have refridgerated	I could not have been refridgerating
you could not have been refridgerating
he could not have been refridgerating
we could not have been refridgerating
you could not have been refridgerating
they could not have been refridgerating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I refridgerate?
could you refridgerate?
could he refridgerate?
could we refridgerate?
could you refridgerate?
could they refridgerate? 	could I be refridgerating?
could you be refridgerating?
could he be refridgerating?
could we be refridgerating?
could you be refridgerating?
could they be refridgerating? 	could I have refridgerated?
could you have refridgerated?
could he have refridgerated?
could we have refridgerated?
could you have refridgerated?
could they have refridgerated? 	could I have been refridgerating?
could you have been refridgerating?
could he have been refridgerating?
could we have been refridgerating?
could you have been refridgerating?
could they have been refridgerating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not refridgerate?
could you not refridgerate?
could he not refridgerate?
could we not refridgerate?
could you not refridgerate?
could they not refridgerate? 	could I not be refridgerating?
could you not be refridgerating?
could he not be refridgerating?
could we not be refridgerating?
could you not be refridgerating?
could they not be refridgerating? 	could I not have refridgerated?
could you not have refridgerated?
could he not have refridgerated?
could we not have refridgerated?
could you not have refridgerated?
could they not have refridgerated? 	could I not have been refridgerating?
could you not have been refridgerating?
could he not have been refridgerating?
could we not have been refridgerating?
could you not have been refridgerating?
could they not have been refridgerating?