English verb conjugation
COULD JOUST

Regular verb: joust - jousted - jousted

Affirmation

Simple form	V-ing form
I could joust you could joust he could joust we could joust you could joust they could joust	I could be jousting you could be jousting he could be jousting we could be jousting you could be jousting they could be jousting
Perfect	V-ing perfect
I could have jousted you could have jousted he could have jousted we could have jousted you could have jousted they could have jousted	I could have been jousting you could have been jousting he could have been jousting we could have been jousting you could have been jousting they could have been jousting

Negation

Simple form	V-ing form
I couldn't joust you couldn't joust he couldn't joust we couldn't joust you couldn't joust they couldn't joust	I couldn't be jousting you couldn't be jousting he couldn't be jousting we couldn't be jousting you couldn't be jousting they couldn't be jousting
Perfect	V-ing perfect
I couldn't have jousted you couldn't have jousted he couldn't have jousted we couldn't have jousted you couldn't have jousted they couldn't have jousted	I couldn't have been jousting you couldn't have been jousting he couldn't have been jousting we couldn't have been jousting you couldn't have been jousting they couldn't have been jousting

Interrogative form

Simple form	V-ing form
could I joust? could you joust? could he joust? could we joust? could you joust? could they joust?	could I be jousting? could you be jousting? could he be jousting? could we be jousting? could you be jousting? could they be jousting?
Perfect	V-ing perfect
could I have jousted? could you have jousted? could he have jousted? could we have jousted? could you have jousted? could they have jousted?	could I have been jousting? could you have been jousting? could he have been jousting? could we have been jousting? could you have been jousting? could they have been jousting?

Interro-negative form

Simple form	V-ing form
couldn't I joust? couldn't you joust? couldn't he joust? couldn't we joust? couldn't you joust? couldn't they joust?	couldn't I be jousting? couldn't you be jousting? couldn't he be jousting? couldn't we be jousting? couldn't you be jousting? couldn't they be jousting?
Perfect	V-ing perfect
couldn't I have jousted? couldn't you have jousted? couldn't he have jousted? couldn't we have jousted? couldn't you have jousted? couldn't they have jousted?	couldn't I have been jousting? couldn't you have been jousting? couldn't he have been jousting? couldn't we have been jousting? couldn't you have been jousting? couldn't they have been jousting?