English verb conjugation
COULD FIELD-STRIP

Regular verb: field-strip - field-striped - field-striped

Affirmation

Simple form	V-ing form
I could field-strip you could field-strip he could field-strip we could field-strip you could field-strip they could field-strip	I could be field-striping you could be field-striping he could be field-striping we could be field-striping you could be field-striping they could be field-striping
Perfect	V-ing perfect
I could have field-striped you could have field-striped he could have field-striped we could have field-striped you could have field-striped they could have field-striped	I could have been field-striping you could have been field-striping he could have been field-striping we could have been field-striping you could have been field-striping they could have been field-striping

Negation

Simple form	V-ing form
I couldn't field-strip you couldn't field-strip he couldn't field-strip we couldn't field-strip you couldn't field-strip they couldn't field-strip	I couldn't be field-striping you couldn't be field-striping he couldn't be field-striping we couldn't be field-striping you couldn't be field-striping they couldn't be field-striping
Perfect	V-ing perfect
I couldn't have field-striped you couldn't have field-striped he couldn't have field-striped we couldn't have field-striped you couldn't have field-striped they couldn't have field-striped	I couldn't have been field-striping you couldn't have been field-striping he couldn't have been field-striping we couldn't have been field-striping you couldn't have been field-striping they couldn't have been field-striping

Interrogative form

Simple form	V-ing form
could I field-strip? could you field-strip? could he field-strip? could we field-strip? could you field-strip? could they field-strip?	could I be field-striping? could you be field-striping? could he be field-striping? could we be field-striping? could you be field-striping? could they be field-striping?
Perfect	V-ing perfect
could I have field-striped? could you have field-striped? could he have field-striped? could we have field-striped? could you have field-striped? could they have field-striped?	could I have been field-striping? could you have been field-striping? could he have been field-striping? could we have been field-striping? could you have been field-striping? could they have been field-striping?

Interro-negative form

Simple form	V-ing form
couldn't I field-strip? couldn't you field-strip? couldn't he field-strip? couldn't we field-strip? couldn't you field-strip? couldn't they field-strip?	couldn't I be field-striping? couldn't you be field-striping? couldn't he be field-striping? couldn't we be field-striping? couldn't you be field-striping? couldn't they be field-striping?
Perfect	V-ing perfect
couldn't I have field-striped? couldn't you have field-striped? couldn't he have field-striped? couldn't we have field-striped? couldn't you have field-striped? couldn't they have field-striped?	couldn't I have been field-striping? couldn't you have been field-striping? couldn't he have been field-striping? couldn't we have been field-striping? couldn't you have been field-striping? couldn't they have been field-striping?