must plank
Verbo regolare: plank - planked- planked

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must plank
you must plank
she must plank
we must plank
you must plank
they must plank 	I must be planking
you must be planking
she must be planking
we must be planking
you must be planking
they must be planking	I must have planked
you must have planked
she must have planked
we must have planked
you must have planked
they must have planked	I must have been planking
you must have been planking
she must have been planking
we must have been planking
you must have been planking
they must have been planking	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must not plank
you must not plank
she must not plank
we must not plank
you must not plank
they must not plank 	I must not be planking
you must not be planking
she must not be planking
we must not be planking
you must not be planking
they must not be planking	I must not have planked
you must not have planked
she must not have planked
we must not have planked
you must not have planked
they must not have planked	I must not have been planking
you must not have been planking
she must not have been planking
we must not have been planking
you must not have been planking
they must not have been planking	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I plank?
must you plank?
must she plank?
must we plank?
must you plank?
must they plank? 	must I be planking?
must you be planking?
must she be planking?
must we be planking?
must you be planking?
must they be planking? 	must I have planked?
must you have planked?
must she have planked?
must we have planked?
must you have planked?
must they have planked? 	must I have been planking?
must you have been planking?
must she have been planking?
must we have been planking?
must you have been planking?
must they have been planking? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I not plank?
must you not plank?
must she not plank?
must we not plank?
must you not plank?
must they not plank? 	must I not be planking?
must you not be planking?
must she not be planking?
must we not be planking?
must you not be planking?
must they not be planking? 	must I not have planked?
must you not have planked?
must she not have planked?
must we not have planked?
must you not have planked?
must they not have planked? 	must I not have been planking?
must you not have been planking?
must she not have been planking?
must we not have been planking?
must you not have been planking?
must they not have been planking?