must prop
Verbo regolare: prop - propped- propped

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must prop
you must prop
she must prop
we must prop
you must prop
they must prop 	I must be propping
you must be propping
she must be propping
we must be propping
you must be propping
they must be propping	I must have propped
you must have propped
she must have propped
we must have propped
you must have propped
they must have propped	I must have been propping
you must have been propping
she must have been propping
we must have been propping
you must have been propping
they must have been propping	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must not prop
you must not prop
she must not prop
we must not prop
you must not prop
they must not prop 	I must not be propping
you must not be propping
she must not be propping
we must not be propping
you must not be propping
they must not be propping	I must not have propped
you must not have propped
she must not have propped
we must not have propped
you must not have propped
they must not have propped	I must not have been propping
you must not have been propping
she must not have been propping
we must not have been propping
you must not have been propping
they must not have been propping	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I prop?
must you prop?
must she prop?
must we prop?
must you prop?
must they prop? 	must I be propping?
must you be propping?
must she be propping?
must we be propping?
must you be propping?
must they be propping? 	must I have propped?
must you have propped?
must she have propped?
must we have propped?
must you have propped?
must they have propped? 	must I have been propping?
must you have been propping?
must she have been propping?
must we have been propping?
must you have been propping?
must they have been propping? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I not prop?
must you not prop?
must she not prop?
must we not prop?
must you not prop?
must they not prop? 	must I not be propping?
must you not be propping?
must she not be propping?
must we not be propping?
must you not be propping?
must they not be propping? 	must I not have propped?
must you not have propped?
must she not have propped?
must we not have propped?
must you not have propped?
must they not have propped? 	must I not have been propping?
must you not have been propping?
must she not have been propping?
must we not have been propping?
must you not have been propping?
must they not have been propping?