I may backspace you may backspace she may backspace we may backspace you may backspace they may backspace
V-ing form
I may be backspacing you may be backspacing she may be backspacing we may be backspacing you may be backspacing they may be backspacing
Perfect
I may have backspaced you may have backspaced she may have backspaced we may have backspaced you may have backspaced they may have backspaced
V-ing perfect
I may have been backspacing you may have been backspacing she may have been backspacing we may have been backspacing you may have been backspacing they may have been backspacing
Negation
Simple form
I may not backspace you may not backspace she may not backspace we may not backspace you may not backspace they may not backspace
V-ing form
I may not be backspacing you may not be backspacing she may not be backspacing we may not be backspacing you may not be backspacing they may not be backspacing
Perfect
I may not have backspaced you may not have backspaced she may not have backspaced we may not have backspaced you may not have backspaced they may not have backspaced
V-ing perfect
I may not have been backspacing you may not have been backspacing she may not have been backspacing we may not have been backspacing you may not have been backspacing they may not have been backspacing
Interrogative form
Simple form
may I backspace? may you backspace? may she backspace? may we backspace? may you backspace? may they backspace?
V-ing form
may I be backspacing? may you be backspacing? may she be backspacing? may we be backspacing? may you be backspacing? may they be backspacing?
Perfect
may I have backspaced? may you have backspaced? may she have backspaced? may we have backspaced? may you have backspaced? may they have backspaced?
V-ing perfect
may I have been backspacing? may you have been backspacing? may she have been backspacing? may we have been backspacing? may you have been backspacing? may they have been backspacing?
Interro-negative form
Simple form
may I not backspace? may you not backspace? may she not backspace? may we not backspace? may you not backspace? may they not backspace?
V-ing form
may I not be backspacing? may you not be backspacing? may she not be backspacing? may we not be backspacing? may you not be backspacing? may they not be backspacing?
Perfect
may I not have backspaced? may you not have backspaced? may she not have backspaced? may we not have backspaced? may you not have backspaced? may they not have backspaced?
V-ing perfect
may I not have been backspacing? may you not have been backspacing? may she not have been backspacing? may we not have been backspacing? may you not have been backspacing? may they not have been backspacing?