English verb conjugation
SHALL LUMBER

Regular verb: lumber - lumbered - lumbered

Affirmation

Simple form	V-ing form
I shall lumber you shall lumber he shall lumber we shall lumber you shall lumber they shall lumber	I shall be lumbering you shall be lumbering he shall be lumbering we shall be lumbering you shall be lumbering they shall be lumbering
Perfect	V-ing perfect
I shall have lumbered you shall have lumbered he shall have lumbered we shall have lumbered you shall have lumbered they shall have lumbered	I shall have been lumbering you shall have been lumbering he shall have been lumbering we shall have been lumbering you shall have been lumbering they shall have been lumbering

Negation

Simple form	V-ing form
I shall not lumber you shall not lumber he shall not lumber we shall not lumber you shall not lumber they shall not lumber	I shall not be lumbering you shall not be lumbering he shall not be lumbering we shall not be lumbering you shall not be lumbering they shall not be lumbering
Perfect	V-ing perfect
I shall not have lumbered you shall not have lumbered he shall not have lumbered we shall not have lumbered you shall not have lumbered they shall not have lumbered	I shall not have been lumbering you shall not have been lumbering he shall not have been lumbering we shall not have been lumbering you shall not have been lumbering they shall not have been lumbering

Interrogative form

Simple form	V-ing form
shall I lumber? shall you lumber? shall he lumber? shall we lumber? shall you lumber? shall they lumber?	shall I be lumbering? shall you be lumbering? shall he be lumbering? shall we be lumbering? shall you be lumbering? shall they be lumbering?
Perfect	V-ing perfect
shall I have lumbered? shall you have lumbered? shall he have lumbered? shall we have lumbered? shall you have lumbered? shall they have lumbered?	shall I have been lumbering? shall you have been lumbering? shall he have been lumbering? shall we have been lumbering? shall you have been lumbering? shall they have been lumbering?

Interro-negative form

Simple form	V-ing form
shall I not lumber? shall you not lumber? shall he not lumber? shall we not lumber? shall you not lumber? shall they not lumber?	shall I not be lumbering? shall you not be lumbering? shall he not be lumbering? shall we not be lumbering? shall you not be lumbering? shall they not be lumbering?
Perfect	V-ing perfect
shall I not have lumbered? shall you not have lumbered? shall he not have lumbered? shall we not have lumbered? shall you not have lumbered? shall they not have lumbered?	shall I not have been lumbering? shall you not have been lumbering? shall he not have been lumbering? shall we not have been lumbering? shall you not have been lumbering? shall they not have been lumbering?