could interject
Regular verb: interject - interjected- interjected

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could interject
you could interject
he could interject
we could interject
you could interject
they could interject 	I could be interjecting
you could be interjecting
he could be interjecting
we could be interjecting
you could be interjecting
they could be interjecting	I could have interjected
you could have interjected
he could have interjected
we could have interjected
you could have interjected
they could have interjected	I could have been interjecting
you could have been interjecting
he could have been interjecting
we could have been interjecting
you could have been interjecting
they could have been interjecting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not interject
you could not interject
he could not interject
we could not interject
you could not interject
they could not interject 	I could not be interjecting
you could not be interjecting
he could not be interjecting
we could not be interjecting
you could not be interjecting
they could not be interjecting	I could not have interjected
you could not have interjected
he could not have interjected
we could not have interjected
you could not have interjected
they could not have interjected	I could not have been interjecting
you could not have been interjecting
he could not have been interjecting
we could not have been interjecting
you could not have been interjecting
they could not have been interjecting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I interject?
could you interject?
could he interject?
could we interject?
could you interject?
could they interject? 	could I be interjecting?
could you be interjecting?
could he be interjecting?
could we be interjecting?
could you be interjecting?
could they be interjecting? 	could I have interjected?
could you have interjected?
could he have interjected?
could we have interjected?
could you have interjected?
could they have interjected? 	could I have been interjecting?
could you have been interjecting?
could he have been interjecting?
could we have been interjecting?
could you have been interjecting?
could they have been interjecting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not interject?
could you not interject?
could he not interject?
could we not interject?
could you not interject?
could they not interject? 	could I not be interjecting?
could you not be interjecting?
could he not be interjecting?
could we not be interjecting?
could you not be interjecting?
could they not be interjecting? 	could I not have interjected?
could you not have interjected?
could he not have interjected?
could we not have interjected?
could you not have interjected?
could they not have interjected? 	could I not have been interjecting?
could you not have been interjecting?
could he not have been interjecting?
could we not have been interjecting?
could you not have been interjecting?
could they not have been interjecting?