English verb conjugation
SHALL PROP

Regular verb: prop - propped - propped

Affirmation

Simple form	V-ing form
I shall prop you shall prop he shall prop we shall prop you shall prop they shall prop	I shall be propping you shall be propping he shall be propping we shall be propping you shall be propping they shall be propping
Perfect	V-ing perfect
I shall have propped you shall have propped he shall have propped we shall have propped you shall have propped they shall have propped	I shall have been propping you shall have been propping he shall have been propping we shall have been propping you shall have been propping they shall have been propping

Negation

Simple form	V-ing form
I shall not prop you shall not prop he shall not prop we shall not prop you shall not prop they shall not prop	I shall not be propping you shall not be propping he shall not be propping we shall not be propping you shall not be propping they shall not be propping
Perfect	V-ing perfect
I shall not have propped you shall not have propped he shall not have propped we shall not have propped you shall not have propped they shall not have propped	I shall not have been propping you shall not have been propping he shall not have been propping we shall not have been propping you shall not have been propping they shall not have been propping

Interrogative form

Simple form	V-ing form
shall I prop? shall you prop? shall he prop? shall we prop? shall you prop? shall they prop?	shall I be propping? shall you be propping? shall he be propping? shall we be propping? shall you be propping? shall they be propping?
Perfect	V-ing perfect
shall I have propped? shall you have propped? shall he have propped? shall we have propped? shall you have propped? shall they have propped?	shall I have been propping? shall you have been propping? shall he have been propping? shall we have been propping? shall you have been propping? shall they have been propping?

Interro-negative form

Simple form	V-ing form
shall I not prop? shall you not prop? shall he not prop? shall we not prop? shall you not prop? shall they not prop?	shall I not be propping? shall you not be propping? shall he not be propping? shall we not be propping? shall you not be propping? shall they not be propping?
Perfect	V-ing perfect
shall I not have propped? shall you not have propped? shall he not have propped? shall we not have propped? shall you not have propped? shall they not have propped?	shall I not have been propping? shall you not have been propping? shall he not have been propping? shall we not have been propping? shall you not have been propping? shall they not have been propping?