could beam
Regular verb: beam - beamed- beamed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could beam
you could beam
she could beam
we could beam
you could beam
they could beam 	I could be beaming
you could be beaming
she could be beaming
we could be beaming
you could be beaming
they could be beaming	I could have beamed
you could have beamed
she could have beamed
we could have beamed
you could have beamed
they could have beamed	I could have been beaming
you could have been beaming
she could have been beaming
we could have been beaming
you could have been beaming
they could have been beaming	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not beam
you could not beam
she could not beam
we could not beam
you could not beam
they could not beam 	I could not be beaming
you could not be beaming
she could not be beaming
we could not be beaming
you could not be beaming
they could not be beaming	I could not have beamed
you could not have beamed
she could not have beamed
we could not have beamed
you could not have beamed
they could not have beamed	I could not have been beaming
you could not have been beaming
she could not have been beaming
we could not have been beaming
you could not have been beaming
they could not have been beaming	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I beam?
could you beam?
could she beam?
could we beam?
could you beam?
could they beam? 	could I be beaming?
could you be beaming?
could she be beaming?
could we be beaming?
could you be beaming?
could they be beaming? 	could I have beamed?
could you have beamed?
could she have beamed?
could we have beamed?
could you have beamed?
could they have beamed? 	could I have been beaming?
could you have been beaming?
could she have been beaming?
could we have been beaming?
could you have been beaming?
could they have been beaming? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not beam?
could you not beam?
could she not beam?
could we not beam?
could you not beam?
could they not beam? 	could I not be beaming?
could you not be beaming?
could she not be beaming?
could we not be beaming?
could you not be beaming?
could they not be beaming? 	could I not have beamed?
could you not have beamed?
could she not have beamed?
could we not have beamed?
could you not have beamed?
could they not have beamed? 	could I not have been beaming?
could you not have been beaming?
could she not have been beaming?
could we not have been beaming?
could you not have been beaming?
could they not have been beaming?