Regular verb: expound - expounded - expounded
Simple form | V-ing form |
I must expound you must expound he must expound we must expound you must expound they must expound | I must be expounding you must be expounding he must be expounding we must be expounding you must be expounding they must be expounding |
Perfect | V-ing perfect |
I must have expounded you must have expounded he must have expounded we must have expounded you must have expounded they must have expounded | I must have been expounding you must have been expounding he must have been expounding we must have been expounding you must have been expounding they must have been expounding |
Simple form | V-ing form |
I must not expound you must not expound he must not expound we must not expound you must not expound they must not expound | I must not be expounding you must not be expounding he must not be expounding we must not be expounding you must not be expounding they must not be expounding |
Perfect | V-ing perfect |
I must not have expounded you must not have expounded he must not have expounded we must not have expounded you must not have expounded they must not have expounded | I must not have been expounding you must not have been expounding he must not have been expounding we must not have been expounding you must not have been expounding they must not have been expounding |
Simple form | V-ing form |
must I expound? must you expound? must he expound? must we expound? must you expound? must they expound? | must I be expounding? must you be expounding? must he be expounding? must we be expounding? must you be expounding? must they be expounding? |
Perfect | V-ing perfect |
must I have expounded? must you have expounded? must he have expounded? must we have expounded? must you have expounded? must they have expounded? | must I have been expounding? must you have been expounding? must he have been expounding? must we have been expounding? must you have been expounding? must they have been expounding? |
Simple form | V-ing form |
must I not expound? must you not expound? must he not expound? must we not expound? must you not expound? must they not expound? | must I not be expounding? must you not be expounding? must he not be expounding? must we not be expounding? must you not be expounding? must they not be expounding? |
Perfect | V-ing perfect |
must I not have expounded? must you not have expounded? must he not have expounded? must we not have expounded? must you not have expounded? must they not have expounded? | must I not have been expounding? must you not have been expounding? must he not have been expounding? must we not have been expounding? must you not have been expounding? must they not have been expounding? |