English verb conjugation
SHALL TREPHINE

Regular verb: trephine - trephined - trephined

Affirmation

Simple form	V-ing form
I shall trephine you shall trephine he shall trephine we shall trephine you shall trephine they shall trephine	I shall be trephining you shall be trephining he shall be trephining we shall be trephining you shall be trephining they shall be trephining
Perfect	V-ing perfect
I shall have trephined you shall have trephined he shall have trephined we shall have trephined you shall have trephined they shall have trephined	I shall have been trephining you shall have been trephining he shall have been trephining we shall have been trephining you shall have been trephining they shall have been trephining

Negation

Simple form	V-ing form
I shall not trephine you shall not trephine he shall not trephine we shall not trephine you shall not trephine they shall not trephine	I shall not be trephining you shall not be trephining he shall not be trephining we shall not be trephining you shall not be trephining they shall not be trephining
Perfect	V-ing perfect
I shall not have trephined you shall not have trephined he shall not have trephined we shall not have trephined you shall not have trephined they shall not have trephined	I shall not have been trephining you shall not have been trephining he shall not have been trephining we shall not have been trephining you shall not have been trephining they shall not have been trephining

Interrogative form

Simple form	V-ing form
shall I trephine? shall you trephine? shall he trephine? shall we trephine? shall you trephine? shall they trephine?	shall I be trephining? shall you be trephining? shall he be trephining? shall we be trephining? shall you be trephining? shall they be trephining?
Perfect	V-ing perfect
shall I have trephined? shall you have trephined? shall he have trephined? shall we have trephined? shall you have trephined? shall they have trephined?	shall I have been trephining? shall you have been trephining? shall he have been trephining? shall we have been trephining? shall you have been trephining? shall they have been trephining?

Interro-negative form

Simple form	V-ing form
shall I not trephine? shall you not trephine? shall he not trephine? shall we not trephine? shall you not trephine? shall they not trephine?	shall I not be trephining? shall you not be trephining? shall he not be trephining? shall we not be trephining? shall you not be trephining? shall they not be trephining?
Perfect	V-ing perfect
shall I not have trephined? shall you not have trephined? shall he not have trephined? shall we not have trephined? shall you not have trephined? shall they not have trephined?	shall I not have been trephining? shall you not have been trephining? shall he not have been trephining? shall we not have been trephining? shall you not have been trephining? shall they not have been trephining?