English verb conjugation
COULD DEFENSE

Regular verb: defense - defensed - defensed

Affirmation

Simple form	V-ing form
I could defense you could defense he could defense we could defense you could defense they could defense	I could be defensing you could be defensing he could be defensing we could be defensing you could be defensing they could be defensing
Perfect	V-ing perfect
I could have defensed you could have defensed he could have defensed we could have defensed you could have defensed they could have defensed	I could have been defensing you could have been defensing he could have been defensing we could have been defensing you could have been defensing they could have been defensing

Negation

Simple form	V-ing form
I couldn't defense you couldn't defense he couldn't defense we couldn't defense you couldn't defense they couldn't defense	I couldn't be defensing you couldn't be defensing he couldn't be defensing we couldn't be defensing you couldn't be defensing they couldn't be defensing
Perfect	V-ing perfect
I couldn't have defensed you couldn't have defensed he couldn't have defensed we couldn't have defensed you couldn't have defensed they couldn't have defensed	I couldn't have been defensing you couldn't have been defensing he couldn't have been defensing we couldn't have been defensing you couldn't have been defensing they couldn't have been defensing

Interrogative form

Simple form	V-ing form
could I defense? could you defense? could he defense? could we defense? could you defense? could they defense?	could I be defensing? could you be defensing? could he be defensing? could we be defensing? could you be defensing? could they be defensing?
Perfect	V-ing perfect
could I have defensed? could you have defensed? could he have defensed? could we have defensed? could you have defensed? could they have defensed?	could I have been defensing? could you have been defensing? could he have been defensing? could we have been defensing? could you have been defensing? could they have been defensing?

Interro-negative form

Simple form	V-ing form
couldn't I defense? couldn't you defense? couldn't he defense? couldn't we defense? couldn't you defense? couldn't they defense?	couldn't I be defensing? couldn't you be defensing? couldn't he be defensing? couldn't we be defensing? couldn't you be defensing? couldn't they be defensing?
Perfect	V-ing perfect
couldn't I have defensed? couldn't you have defensed? couldn't he have defensed? couldn't we have defensed? couldn't you have defensed? couldn't they have defensed?	couldn't I have been defensing? couldn't you have been defensing? couldn't he have been defensing? couldn't we have been defensing? couldn't you have been defensing? couldn't they have been defensing?