English verb conjugation
COULD PURSE

Regular verb: purse - pursed - pursed

Affirmation

Simple form	V-ing form
I could purse you could purse he could purse we could purse you could purse they could purse	I could be pursing you could be pursing he could be pursing we could be pursing you could be pursing they could be pursing
Perfect	V-ing perfect
I could have pursed you could have pursed he could have pursed we could have pursed you could have pursed they could have pursed	I could have been pursing you could have been pursing he could have been pursing we could have been pursing you could have been pursing they could have been pursing

Negation

Simple form	V-ing form
I couldn't purse you couldn't purse he couldn't purse we couldn't purse you couldn't purse they couldn't purse	I couldn't be pursing you couldn't be pursing he couldn't be pursing we couldn't be pursing you couldn't be pursing they couldn't be pursing
Perfect	V-ing perfect
I couldn't have pursed you couldn't have pursed he couldn't have pursed we couldn't have pursed you couldn't have pursed they couldn't have pursed	I couldn't have been pursing you couldn't have been pursing he couldn't have been pursing we couldn't have been pursing you couldn't have been pursing they couldn't have been pursing

Interrogative form

Simple form	V-ing form
could I purse? could you purse? could he purse? could we purse? could you purse? could they purse?	could I be pursing? could you be pursing? could he be pursing? could we be pursing? could you be pursing? could they be pursing?
Perfect	V-ing perfect
could I have pursed? could you have pursed? could he have pursed? could we have pursed? could you have pursed? could they have pursed?	could I have been pursing? could you have been pursing? could he have been pursing? could we have been pursing? could you have been pursing? could they have been pursing?

Interro-negative form

Simple form	V-ing form
couldn't I purse? couldn't you purse? couldn't he purse? couldn't we purse? couldn't you purse? couldn't they purse?	couldn't I be pursing? couldn't you be pursing? couldn't he be pursing? couldn't we be pursing? couldn't you be pursing? couldn't they be pursing?
Perfect	V-ing perfect
couldn't I have pursed? couldn't you have pursed? couldn't he have pursed? couldn't we have pursed? couldn't you have pursed? couldn't they have pursed?	couldn't I have been pursing? couldn't you have been pursing? couldn't he have been pursing? couldn't we have been pursing? couldn't you have been pursing? couldn't they have been pursing?