I may backsolve you may backsolve she may backsolve we may backsolve you may backsolve they may backsolve
V-ing form
I may be backsolving you may be backsolving she may be backsolving we may be backsolving you may be backsolving they may be backsolving
Perfect
I may have backsolved you may have backsolved she may have backsolved we may have backsolved you may have backsolved they may have backsolved
V-ing perfect
I may have been backsolving you may have been backsolving she may have been backsolving we may have been backsolving you may have been backsolving they may have been backsolving
Negation
Simple form
I may not backsolve you may not backsolve she may not backsolve we may not backsolve you may not backsolve they may not backsolve
V-ing form
I may not be backsolving you may not be backsolving she may not be backsolving we may not be backsolving you may not be backsolving they may not be backsolving
Perfect
I may not have backsolved you may not have backsolved she may not have backsolved we may not have backsolved you may not have backsolved they may not have backsolved
V-ing perfect
I may not have been backsolving you may not have been backsolving she may not have been backsolving we may not have been backsolving you may not have been backsolving they may not have been backsolving
Interrogative form
Simple form
may I backsolve? may you backsolve? may she backsolve? may we backsolve? may you backsolve? may they backsolve?
V-ing form
may I be backsolving? may you be backsolving? may she be backsolving? may we be backsolving? may you be backsolving? may they be backsolving?
Perfect
may I have backsolved? may you have backsolved? may she have backsolved? may we have backsolved? may you have backsolved? may they have backsolved?
V-ing perfect
may I have been backsolving? may you have been backsolving? may she have been backsolving? may we have been backsolving? may you have been backsolving? may they have been backsolving?
Interro-negative form
Simple form
may I not backsolve? may you not backsolve? may she not backsolve? may we not backsolve? may you not backsolve? may they not backsolve?
V-ing form
may I not be backsolving? may you not be backsolving? may she not be backsolving? may we not be backsolving? may you not be backsolving? may they not be backsolving?
Perfect
may I not have backsolved? may you not have backsolved? may she not have backsolved? may we not have backsolved? may you not have backsolved? may they not have backsolved?
V-ing perfect
may I not have been backsolving? may you not have been backsolving? may she not have been backsolving? may we not have been backsolving? may you not have been backsolving? may they not have been backsolving?