could prostrate
Regular verb: prostrate - prostrated- prostrated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could prostrate
you could prostrate
she could prostrate
we could prostrate
you could prostrate
they could prostrate 	I could be prostrating
you could be prostrating
she could be prostrating
we could be prostrating
you could be prostrating
they could be prostrating	I could have prostrated
you could have prostrated
she could have prostrated
we could have prostrated
you could have prostrated
they could have prostrated	I could have been prostrating
you could have been prostrating
she could have been prostrating
we could have been prostrating
you could have been prostrating
they could have been prostrating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't prostrate
you couldn't prostrate
she couldn't prostrate
we couldn't prostrate
you couldn't prostrate
they couldn't prostrate 	I couldn't be prostrating
you couldn't be prostrating
she couldn't be prostrating
we couldn't be prostrating
you couldn't be prostrating
they couldn't be prostrating	I couldn't have prostrated
you couldn't have prostrated
she couldn't have prostrated
we couldn't have prostrated
you couldn't have prostrated
they couldn't have prostrated	I couldn't have been prostrating
you couldn't have been prostrating
she couldn't have been prostrating
we couldn't have been prostrating
you couldn't have been prostrating
they couldn't have been prostrating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I prostrate?
could you prostrate?
could she prostrate?
could we prostrate?
could you prostrate?
could they prostrate? 	could I be prostrating?
could you be prostrating?
could she be prostrating?
could we be prostrating?
could you be prostrating?
could they be prostrating? 	could I have prostrated?
could you have prostrated?
could she have prostrated?
could we have prostrated?
could you have prostrated?
could they have prostrated? 	could I have been prostrating?
could you have been prostrating?
could she have been prostrating?
could we have been prostrating?
could you have been prostrating?
could they have been prostrating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I prostrate?
couldn't you prostrate?
couldn't she prostrate?
couldn't we prostrate?
couldn't you prostrate?
couldn't they prostrate? 	couldn't I be prostrating?
couldn't you be prostrating?
couldn't she be prostrating?
couldn't we be prostrating?
couldn't you be prostrating?
couldn't they be prostrating? 	couldn't I have prostrated?
couldn't you have prostrated?
couldn't she have prostrated?
couldn't we have prostrated?
couldn't you have prostrated?
couldn't they have prostrated? 	couldn't I have been prostrating?
couldn't you have been prostrating?
couldn't she have been prostrating?
couldn't we have been prostrating?
couldn't you have been prostrating?
couldn't they have been prostrating?