could microwave
Regular verb: microwave - microwaved- microwaved

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could microwave
you could microwave
she could microwave
we could microwave
you could microwave
they could microwave 	I could be microwaving
you could be microwaving
she could be microwaving
we could be microwaving
you could be microwaving
they could be microwaving	I could have microwaved
you could have microwaved
she could have microwaved
we could have microwaved
you could have microwaved
they could have microwaved	I could have been microwaving
you could have been microwaving
she could have been microwaving
we could have been microwaving
you could have been microwaving
they could have been microwaving	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not microwave
you could not microwave
she could not microwave
we could not microwave
you could not microwave
they could not microwave 	I could not be microwaving
you could not be microwaving
she could not be microwaving
we could not be microwaving
you could not be microwaving
they could not be microwaving	I could not have microwaved
you could not have microwaved
she could not have microwaved
we could not have microwaved
you could not have microwaved
they could not have microwaved	I could not have been microwaving
you could not have been microwaving
she could not have been microwaving
we could not have been microwaving
you could not have been microwaving
they could not have been microwaving	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I microwave?
could you microwave?
could she microwave?
could we microwave?
could you microwave?
could they microwave? 	could I be microwaving?
could you be microwaving?
could she be microwaving?
could we be microwaving?
could you be microwaving?
could they be microwaving? 	could I have microwaved?
could you have microwaved?
could she have microwaved?
could we have microwaved?
could you have microwaved?
could they have microwaved? 	could I have been microwaving?
could you have been microwaving?
could she have been microwaving?
could we have been microwaving?
could you have been microwaving?
could they have been microwaving? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not microwave?
could you not microwave?
could she not microwave?
could we not microwave?
could you not microwave?
could they not microwave? 	could I not be microwaving?
could you not be microwaving?
could she not be microwaving?
could we not be microwaving?
could you not be microwaving?
could they not be microwaving? 	could I not have microwaved?
could you not have microwaved?
could she not have microwaved?
could we not have microwaved?
could you not have microwaved?
could they not have microwaved? 	could I not have been microwaving?
could you not have been microwaving?
could she not have been microwaving?
could we not have been microwaving?
could you not have been microwaving?
could they not have been microwaving?