English verb conjugation
COULD INTERSPACE

Regular verb: interspace - interspaced - interspaced

Affirmation

Simple form	V-ing form
I could interspace you could interspace he could interspace we could interspace you could interspace they could interspace	I could be interspacing you could be interspacing he could be interspacing we could be interspacing you could be interspacing they could be interspacing
Perfect	V-ing perfect
I could have interspaced you could have interspaced he could have interspaced we could have interspaced you could have interspaced they could have interspaced	I could have been interspacing you could have been interspacing he could have been interspacing we could have been interspacing you could have been interspacing they could have been interspacing

Negation

Simple form	V-ing form
I could not interspace you could not interspace he could not interspace we could not interspace you could not interspace they could not interspace	I could not be interspacing you could not be interspacing he could not be interspacing we could not be interspacing you could not be interspacing they could not be interspacing
Perfect	V-ing perfect
I could not have interspaced you could not have interspaced he could not have interspaced we could not have interspaced you could not have interspaced they could not have interspaced	I could not have been interspacing you could not have been interspacing he could not have been interspacing we could not have been interspacing you could not have been interspacing they could not have been interspacing

Interrogative form

Simple form	V-ing form
could I interspace? could you interspace? could he interspace? could we interspace? could you interspace? could they interspace?	could I be interspacing? could you be interspacing? could he be interspacing? could we be interspacing? could you be interspacing? could they be interspacing?
Perfect	V-ing perfect
could I have interspaced? could you have interspaced? could he have interspaced? could we have interspaced? could you have interspaced? could they have interspaced?	could I have been interspacing? could you have been interspacing? could he have been interspacing? could we have been interspacing? could you have been interspacing? could they have been interspacing?

Interro-negative form

Simple form	V-ing form
could I not interspace? could you not interspace? could he not interspace? could we not interspace? could you not interspace? could they not interspace?	could I not be interspacing? could you not be interspacing? could he not be interspacing? could we not be interspacing? could you not be interspacing? could they not be interspacing?
Perfect	V-ing perfect
could I not have interspaced? could you not have interspaced? could he not have interspaced? could we not have interspaced? could you not have interspaced? could they not have interspaced?	could I not have been interspacing? could you not have been interspacing? could he not have been interspacing? could we not have been interspacing? could you not have been interspacing? could they not have been interspacing?