English verb conjugation
SHALL PROP

Regular verb: prop - propped - propped

Affirmation

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

Negation

Simple form	V-ing form
I shan't prop you shan't prop he shan't prop we shan't prop you shan't prop they shan't prop	I shan't be propping you shan't be propping he shan't be propping we shan't be propping you shan't be propping they shan't be propping
Perfect	V-ing perfect
I shan't have propped you shan't have propped he shan't have propped we shan't have propped you shan't have propped they shan't have propped	I shan't have been propping you shan't have been propping he shan't have been propping we shan't have been propping you shan't have been propping they shan't 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
shan't I prop? shan't you prop? shan't he prop? shan't we prop? shan't you prop? shan't they prop?	shan't I be propping? shan't you be propping? shan't he be propping? shan't we be propping? shan't you be propping? shan't they be propping?
Perfect	V-ing perfect
shan't I have propped? shan't you have propped? shan't he have propped? shan't we have propped? shan't you have propped? shan't they have propped?	shan't I have been propping? shan't you have been propping? shan't he have been propping? shan't we have been propping? shan't you have been propping? shan't they have been propping?