could song
Regular verb: song - songed- songed

, this verb may not exist. Conjugation is given as example.

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could song
you could song
he could song
we could song
you could song
they could song 	I could be songing
you could be songing
he could be songing
we could be songing
you could be songing
they could be songing	I could have songed
you could have songed
he could have songed
we could have songed
you could have songed
they could have songed	I could have been songing
you could have been songing
he could have been songing
we could have been songing
you could have been songing
they could have been songing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not song
you could not song
he could not song
we could not song
you could not song
they could not song 	I could not be songing
you could not be songing
he could not be songing
we could not be songing
you could not be songing
they could not be songing	I could not have songed
you could not have songed
he could not have songed
we could not have songed
you could not have songed
they could not have songed	I could not have been songing
you could not have been songing
he could not have been songing
we could not have been songing
you could not have been songing
they could not have been songing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I song?
could you song?
could he song?
could we song?
could you song?
could they song? 	could I be songing?
could you be songing?
could he be songing?
could we be songing?
could you be songing?
could they be songing? 	could I have songed?
could you have songed?
could he have songed?
could we have songed?
could you have songed?
could they have songed? 	could I have been songing?
could you have been songing?
could he have been songing?
could we have been songing?
could you have been songing?
could they have been songing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not song?
could you not song?
could he not song?
could we not song?
could you not song?
could they not song? 	could I not be songing?
could you not be songing?
could he not be songing?
could we not be songing?
could you not be songing?
could they not be songing? 	could I not have songed?
could you not have songed?
could he not have songed?
could we not have songed?
could you not have songed?
could they not have songed? 	could I not have been songing?
could you not have been songing?
could he not have been songing?
could we not have been songing?
could you not have been songing?
could they not have been songing?