English verb conjugation
SHALL PREBOARD

Regular verb: preboard - preboarded - preboarded

Affirmation

Simple form	V-ing form
I shall preboard you shall preboard he shall preboard we shall preboard you shall preboard they shall preboard	I shall be preboarding you shall be preboarding he shall be preboarding we shall be preboarding you shall be preboarding they shall be preboarding
Perfect	V-ing perfect
I shall have preboarded you shall have preboarded he shall have preboarded we shall have preboarded you shall have preboarded they shall have preboarded	I shall have been preboarding you shall have been preboarding he shall have been preboarding we shall have been preboarding you shall have been preboarding they shall have been preboarding

Negation

Simple form	V-ing form
I shall not preboard you shall not preboard he shall not preboard we shall not preboard you shall not preboard they shall not preboard	I shall not be preboarding you shall not be preboarding he shall not be preboarding we shall not be preboarding you shall not be preboarding they shall not be preboarding
Perfect	V-ing perfect
I shall not have preboarded you shall not have preboarded he shall not have preboarded we shall not have preboarded you shall not have preboarded they shall not have preboarded	I shall not have been preboarding you shall not have been preboarding he shall not have been preboarding we shall not have been preboarding you shall not have been preboarding they shall not have been preboarding

Interrogative form

Simple form	V-ing form
shall I preboard? shall you preboard? shall he preboard? shall we preboard? shall you preboard? shall they preboard?	shall I be preboarding? shall you be preboarding? shall he be preboarding? shall we be preboarding? shall you be preboarding? shall they be preboarding?
Perfect	V-ing perfect
shall I have preboarded? shall you have preboarded? shall he have preboarded? shall we have preboarded? shall you have preboarded? shall they have preboarded?	shall I have been preboarding? shall you have been preboarding? shall he have been preboarding? shall we have been preboarding? shall you have been preboarding? shall they have been preboarding?

Interro-negative form

Simple form	V-ing form
shall I not preboard? shall you not preboard? shall he not preboard? shall we not preboard? shall you not preboard? shall they not preboard?	shall I not be preboarding? shall you not be preboarding? shall he not be preboarding? shall we not be preboarding? shall you not be preboarding? shall they not be preboarding?
Perfect	V-ing perfect
shall I not have preboarded? shall you not have preboarded? shall he not have preboarded? shall we not have preboarded? shall you not have preboarded? shall they not have preboarded?	shall I not have been preboarding? shall you not have been preboarding? shall he not have been preboarding? shall we not have been preboarding? shall you not have been preboarding? shall they not have been preboarding?