could tram
Regular verb: tram - tramed- tramed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could tram
you could tram
she could tram
we could tram
you could tram
they could tram 	I could be traming
you could be traming
she could be traming
we could be traming
you could be traming
they could be traming	I could have tramed
you could have tramed
she could have tramed
we could have tramed
you could have tramed
they could have tramed	I could have been traming
you could have been traming
she could have been traming
we could have been traming
you could have been traming
they could have been traming	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't tram
you couldn't tram
she couldn't tram
we couldn't tram
you couldn't tram
they couldn't tram 	I couldn't be traming
you couldn't be traming
she couldn't be traming
we couldn't be traming
you couldn't be traming
they couldn't be traming	I couldn't have tramed
you couldn't have tramed
she couldn't have tramed
we couldn't have tramed
you couldn't have tramed
they couldn't have tramed	I couldn't have been traming
you couldn't have been traming
she couldn't have been traming
we couldn't have been traming
you couldn't have been traming
they couldn't have been traming	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I tram?
could you tram?
could she tram?
could we tram?
could you tram?
could they tram? 	could I be traming?
could you be traming?
could she be traming?
could we be traming?
could you be traming?
could they be traming? 	could I have tramed?
could you have tramed?
could she have tramed?
could we have tramed?
could you have tramed?
could they have tramed? 	could I have been traming?
could you have been traming?
could she have been traming?
could we have been traming?
could you have been traming?
could they have been traming? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I tram?
couldn't you tram?
couldn't she tram?
couldn't we tram?
couldn't you tram?
couldn't they tram? 	couldn't I be traming?
couldn't you be traming?
couldn't she be traming?
couldn't we be traming?
couldn't you be traming?
couldn't they be traming? 	couldn't I have tramed?
couldn't you have tramed?
couldn't she have tramed?
couldn't we have tramed?
couldn't you have tramed?
couldn't they have tramed? 	couldn't I have been traming?
couldn't you have been traming?
couldn't she have been traming?
couldn't we have been traming?
couldn't you have been traming?
couldn't they have been traming?