I may backfit you may backfit he may backfit we may backfit you may backfit they may backfit
V-ing form
I may be backfiting you may be backfiting he may be backfiting we may be backfiting you may be backfiting they may be backfiting
Perfect
I may have backfit, backfitted you may have backfit, backfitted he may have backfit, backfitted we may have backfit, backfitted you may have backfit, backfitted they may have backfit, backfitted
V-ing perfect
I may have been backfiting you may have been backfiting he may have been backfiting we may have been backfiting you may have been backfiting they may have been backfiting
Negation
Simple form
I may not backfit you may not backfit he may not backfit we may not backfit you may not backfit they may not backfit
V-ing form
I may not be backfiting you may not be backfiting he may not be backfiting we may not be backfiting you may not be backfiting they may not be backfiting
Perfect
I may not have backfit, backfitted you may not have backfit, backfitted he may not have backfit, backfitted we may not have backfit, backfitted you may not have backfit, backfitted they may not have backfit, backfitted
V-ing perfect
I may not have been backfiting you may not have been backfiting he may not have been backfiting we may not have been backfiting you may not have been backfiting they may not have been backfiting
Interrogative form
Simple form
may I backfit? may you backfit? may he backfit? may we backfit? may you backfit? may they backfit?
V-ing form
may I be backfiting? may you be backfiting? may he be backfiting? may we be backfiting? may you be backfiting? may they be backfiting?
Perfect
may I have backfit, backfitted? may you have backfit, backfitted? may he have backfit, backfitted? may we have backfit, backfitted? may you have backfit, backfitted? may they have backfit, backfitted?
V-ing perfect
may I have been backfiting? may you have been backfiting? may he have been backfiting? may we have been backfiting? may you have been backfiting? may they have been backfiting?
Interro-negative form
Simple form
may I not backfit? may you not backfit? may he not backfit? may we not backfit? may you not backfit? may they not backfit?
V-ing form
may I not be backfiting? may you not be backfiting? may he not be backfiting? may we not be backfiting? may you not be backfiting? may they not be backfiting?
Perfect
may I not have backfit, backfitted? may you not have backfit, backfitted? may he not have backfit, backfitted? may we not have backfit, backfitted? may you not have backfit, backfitted? may they not have backfit, backfitted?
V-ing perfect
may I not have been backfiting? may you not have been backfiting? may he not have been backfiting? may we not have been backfiting? may you not have been backfiting? may they not have been backfiting?