could lunge
Regular verb: lunge - lunged- lunged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could lunge
you could lunge
he could lunge
we could lunge
you could lunge
they could lunge 	I could be lunging
you could be lunging
he could be lunging
we could be lunging
you could be lunging
they could be lunging	I could have lunged
you could have lunged
he could have lunged
we could have lunged
you could have lunged
they could have lunged	I could have been lunging
you could have been lunging
he could have been lunging
we could have been lunging
you could have been lunging
they could have been lunging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't lunge
you couldn't lunge
he couldn't lunge
we couldn't lunge
you couldn't lunge
they couldn't lunge 	I couldn't be lunging
you couldn't be lunging
he couldn't be lunging
we couldn't be lunging
you couldn't be lunging
they couldn't be lunging	I couldn't have lunged
you couldn't have lunged
he couldn't have lunged
we couldn't have lunged
you couldn't have lunged
they couldn't have lunged	I couldn't have been lunging
you couldn't have been lunging
he couldn't have been lunging
we couldn't have been lunging
you couldn't have been lunging
they couldn't have been lunging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I lunge?
could you lunge?
could he lunge?
could we lunge?
could you lunge?
could they lunge? 	could I be lunging?
could you be lunging?
could he be lunging?
could we be lunging?
could you be lunging?
could they be lunging? 	could I have lunged?
could you have lunged?
could he have lunged?
could we have lunged?
could you have lunged?
could they have lunged? 	could I have been lunging?
could you have been lunging?
could he have been lunging?
could we have been lunging?
could you have been lunging?
could they have been lunging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I lunge?
couldn't you lunge?
couldn't he lunge?
couldn't we lunge?
couldn't you lunge?
couldn't they lunge? 	couldn't I be lunging?
couldn't you be lunging?
couldn't he be lunging?
couldn't we be lunging?
couldn't you be lunging?
couldn't they be lunging? 	couldn't I have lunged?
couldn't you have lunged?
couldn't he have lunged?
couldn't we have lunged?
couldn't you have lunged?
couldn't they have lunged? 	couldn't I have been lunging?
couldn't you have been lunging?
couldn't he have been lunging?
couldn't we have been lunging?
couldn't you have been lunging?
couldn't they have been lunging?