could phonate
Regular verb: phonate - phonated- phonated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could phonate
you could phonate
he could phonate
we could phonate
you could phonate
they could phonate 	I could be phonating
you could be phonating
he could be phonating
we could be phonating
you could be phonating
they could be phonating	I could have phonated
you could have phonated
he could have phonated
we could have phonated
you could have phonated
they could have phonated	I could have been phonating
you could have been phonating
he could have been phonating
we could have been phonating
you could have been phonating
they could have been phonating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not phonate
you could not phonate
he could not phonate
we could not phonate
you could not phonate
they could not phonate 	I could not be phonating
you could not be phonating
he could not be phonating
we could not be phonating
you could not be phonating
they could not be phonating	I could not have phonated
you could not have phonated
he could not have phonated
we could not have phonated
you could not have phonated
they could not have phonated	I could not have been phonating
you could not have been phonating
he could not have been phonating
we could not have been phonating
you could not have been phonating
they could not have been phonating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I phonate?
could you phonate?
could he phonate?
could we phonate?
could you phonate?
could they phonate? 	could I be phonating?
could you be phonating?
could he be phonating?
could we be phonating?
could you be phonating?
could they be phonating? 	could I have phonated?
could you have phonated?
could he have phonated?
could we have phonated?
could you have phonated?
could they have phonated? 	could I have been phonating?
could you have been phonating?
could he have been phonating?
could we have been phonating?
could you have been phonating?
could they have been phonating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not phonate?
could you not phonate?
could he not phonate?
could we not phonate?
could you not phonate?
could they not phonate? 	could I not be phonating?
could you not be phonating?
could he not be phonating?
could we not be phonating?
could you not be phonating?
could they not be phonating? 	could I not have phonated?
could you not have phonated?
could he not have phonated?
could we not have phonated?
could you not have phonated?
could they not have phonated? 	could I not have been phonating?
could you not have been phonating?
could he not have been phonating?
could we not have been phonating?
could you not have been phonating?
could they not have been phonating?