English verb conjugation
SHALL TREPAN

Regular verb: trepan - trepanned - trepanned

Affirmation

Simple form	V-ing form
I shall trepan you shall trepan he shall trepan we shall trepan you shall trepan they shall trepan	I shall be trepanning you shall be trepanning he shall be trepanning we shall be trepanning you shall be trepanning they shall be trepanning
Perfect	V-ing perfect
I shall have trepanned you shall have trepanned he shall have trepanned we shall have trepanned you shall have trepanned they shall have trepanned	I shall have been trepanning you shall have been trepanning he shall have been trepanning we shall have been trepanning you shall have been trepanning they shall have been trepanning

Negation

Simple form	V-ing form
I shall not trepan you shall not trepan he shall not trepan we shall not trepan you shall not trepan they shall not trepan	I shall not be trepanning you shall not be trepanning he shall not be trepanning we shall not be trepanning you shall not be trepanning they shall not be trepanning
Perfect	V-ing perfect
I shall not have trepanned you shall not have trepanned he shall not have trepanned we shall not have trepanned you shall not have trepanned they shall not have trepanned	I shall not have been trepanning you shall not have been trepanning he shall not have been trepanning we shall not have been trepanning you shall not have been trepanning they shall not have been trepanning

Interrogative form

Simple form	V-ing form
shall I trepan? shall you trepan? shall he trepan? shall we trepan? shall you trepan? shall they trepan?	shall I be trepanning? shall you be trepanning? shall he be trepanning? shall we be trepanning? shall you be trepanning? shall they be trepanning?
Perfect	V-ing perfect
shall I have trepanned? shall you have trepanned? shall he have trepanned? shall we have trepanned? shall you have trepanned? shall they have trepanned?	shall I have been trepanning? shall you have been trepanning? shall he have been trepanning? shall we have been trepanning? shall you have been trepanning? shall they have been trepanning?

Interro-negative form

Simple form	V-ing form
shall I not trepan? shall you not trepan? shall he not trepan? shall we not trepan? shall you not trepan? shall they not trepan?	shall I not be trepanning? shall you not be trepanning? shall he not be trepanning? shall we not be trepanning? shall you not be trepanning? shall they not be trepanning?
Perfect	V-ing perfect
shall I not have trepanned? shall you not have trepanned? shall he not have trepanned? shall we not have trepanned? shall you not have trepanned? shall they not have trepanned?	shall I not have been trepanning? shall you not have been trepanning? shall he not have been trepanning? shall we not have been trepanning? shall you not have been trepanning? shall they not have been trepanning?