must skin-dive
Verbo irregolare: skin-dive - skin-dived, skin-dove- skin-dived

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must skin-dive
you must skin-dive
he must skin-dive
we must skin-dive
you must skin-dive
they must skin-dive 	I must be skin-diving
you must be skin-diving
he must be skin-diving
we must be skin-diving
you must be skin-diving
they must be skin-diving	I must have skin-dived
you must have skin-dived
he must have skin-dived
we must have skin-dived
you must have skin-dived
they must have skin-dived	I must have been skin-diving
you must have been skin-diving
he must have been skin-diving
we must have been skin-diving
you must have been skin-diving
they must have been skin-diving	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must not skin-dive
you must not skin-dive
he must not skin-dive
we must not skin-dive
you must not skin-dive
they must not skin-dive 	I must not be skin-diving
you must not be skin-diving
he must not be skin-diving
we must not be skin-diving
you must not be skin-diving
they must not be skin-diving	I must not have skin-dived
you must not have skin-dived
he must not have skin-dived
we must not have skin-dived
you must not have skin-dived
they must not have skin-dived	I must not have been skin-diving
you must not have been skin-diving
he must not have been skin-diving
we must not have been skin-diving
you must not have been skin-diving
they must not have been skin-diving	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I skin-dive?
must you skin-dive?
must he skin-dive?
must we skin-dive?
must you skin-dive?
must they skin-dive? 	must I be skin-diving?
must you be skin-diving?
must he be skin-diving?
must we be skin-diving?
must you be skin-diving?
must they be skin-diving? 	must I have skin-dived?
must you have skin-dived?
must he have skin-dived?
must we have skin-dived?
must you have skin-dived?
must they have skin-dived? 	must I have been skin-diving?
must you have been skin-diving?
must he have been skin-diving?
must we have been skin-diving?
must you have been skin-diving?
must they have been skin-diving? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I not skin-dive?
must you not skin-dive?
must he not skin-dive?
must we not skin-dive?
must you not skin-dive?
must they not skin-dive? 	must I not be skin-diving?
must you not be skin-diving?
must he not be skin-diving?
must we not be skin-diving?
must you not be skin-diving?
must they not be skin-diving? 	must I not have skin-dived?
must you not have skin-dived?
must he not have skin-dived?
must we not have skin-dived?
must you not have skin-dived?
must they not have skin-dived? 	must I not have been skin-diving?
must you not have been skin-diving?
must he not have been skin-diving?
must we not have been skin-diving?
must you not have been skin-diving?
must they not have been skin-diving?