could megaphone
Regular verb: megaphone - megaphoned- megaphoned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could megaphone
you could megaphone
she could megaphone
we could megaphone
you could megaphone
they could megaphone 	I could be megaphoning
you could be megaphoning
she could be megaphoning
we could be megaphoning
you could be megaphoning
they could be megaphoning	I could have megaphoned
you could have megaphoned
she could have megaphoned
we could have megaphoned
you could have megaphoned
they could have megaphoned	I could have been megaphoning
you could have been megaphoning
she could have been megaphoning
we could have been megaphoning
you could have been megaphoning
they could have been megaphoning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't megaphone
you couldn't megaphone
she couldn't megaphone
we couldn't megaphone
you couldn't megaphone
they couldn't megaphone 	I couldn't be megaphoning
you couldn't be megaphoning
she couldn't be megaphoning
we couldn't be megaphoning
you couldn't be megaphoning
they couldn't be megaphoning	I couldn't have megaphoned
you couldn't have megaphoned
she couldn't have megaphoned
we couldn't have megaphoned
you couldn't have megaphoned
they couldn't have megaphoned	I couldn't have been megaphoning
you couldn't have been megaphoning
she couldn't have been megaphoning
we couldn't have been megaphoning
you couldn't have been megaphoning
they couldn't have been megaphoning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I megaphone?
could you megaphone?
could she megaphone?
could we megaphone?
could you megaphone?
could they megaphone? 	could I be megaphoning?
could you be megaphoning?
could she be megaphoning?
could we be megaphoning?
could you be megaphoning?
could they be megaphoning? 	could I have megaphoned?
could you have megaphoned?
could she have megaphoned?
could we have megaphoned?
could you have megaphoned?
could they have megaphoned? 	could I have been megaphoning?
could you have been megaphoning?
could she have been megaphoning?
could we have been megaphoning?
could you have been megaphoning?
could they have been megaphoning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I megaphone?
couldn't you megaphone?
couldn't she megaphone?
couldn't we megaphone?
couldn't you megaphone?
couldn't they megaphone? 	couldn't I be megaphoning?
couldn't you be megaphoning?
couldn't she be megaphoning?
couldn't we be megaphoning?
couldn't you be megaphoning?
couldn't they be megaphoning? 	couldn't I have megaphoned?
couldn't you have megaphoned?
couldn't she have megaphoned?
couldn't we have megaphoned?
couldn't you have megaphoned?
couldn't they have megaphoned? 	couldn't I have been megaphoning?
couldn't you have been megaphoning?
couldn't she have been megaphoning?
couldn't we have been megaphoning?
couldn't you have been megaphoning?
couldn't they have been megaphoning?