English verb conjugation
COULD BACKSPACE

Regular verb: backspace - backspaced - backspaced

Affirmation

Simple form	V-ing form
I could backspace you could backspace he could backspace we could backspace you could backspace they could backspace	I could be backspacing you could be backspacing he could be backspacing we could be backspacing you could be backspacing they could be backspacing
Perfect	V-ing perfect
I could have backspaced you could have backspaced he could have backspaced we could have backspaced you could have backspaced they could have backspaced	I could have been backspacing you could have been backspacing he could have been backspacing we could have been backspacing you could have been backspacing they could have been backspacing

Negation

Simple form	V-ing form
I could not backspace you could not backspace he could not backspace we could not backspace you could not backspace they could not backspace	I could not be backspacing you could not be backspacing he could not be backspacing we could not be backspacing you could not be backspacing they could not be backspacing
Perfect	V-ing perfect
I could not have backspaced you could not have backspaced he could not have backspaced we could not have backspaced you could not have backspaced they could not have backspaced	I could not have been backspacing you could not have been backspacing he could not have been backspacing we could not have been backspacing you could not have been backspacing they could not have been backspacing

Interrogative form

Simple form	V-ing form
could I backspace? could you backspace? could he backspace? could we backspace? could you backspace? could they backspace?	could I be backspacing? could you be backspacing? could he be backspacing? could we be backspacing? could you be backspacing? could they be backspacing?
Perfect	V-ing perfect
could I have backspaced? could you have backspaced? could he have backspaced? could we have backspaced? could you have backspaced? could they have backspaced?	could I have been backspacing? could you have been backspacing? could he have been backspacing? could we have been backspacing? could you have been backspacing? could they have been backspacing?

Interro-negative form

Simple form	V-ing form
could I not backspace? could you not backspace? could he not backspace? could we not backspace? could you not backspace? could they not backspace?	could I not be backspacing? could you not be backspacing? could he not be backspacing? could we not be backspacing? could you not be backspacing? could they not be backspacing?
Perfect	V-ing perfect
could I not have backspaced? could you not have backspaced? could he not have backspaced? could we not have backspaced? could you not have backspaced? could they not have backspaced?	could I not have been backspacing? could you not have been backspacing? could he not have been backspacing? could we not have been backspacing? could you not have been backspacing? could they not have been backspacing?