must spring-clean
Verbo regolare: spring-clean - spring-cleaned- spring-cleaned

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must spring-clean
you must spring-clean
she must spring-clean
we must spring-clean
you must spring-clean
they must spring-clean 	I must be spring-cleaning
you must be spring-cleaning
she must be spring-cleaning
we must be spring-cleaning
you must be spring-cleaning
they must be spring-cleaning	I must have spring-cleaned
you must have spring-cleaned
she must have spring-cleaned
we must have spring-cleaned
you must have spring-cleaned
they must have spring-cleaned	I must have been spring-cleaning
you must have been spring-cleaning
she must have been spring-cleaning
we must have been spring-cleaning
you must have been spring-cleaning
they must have been spring-cleaning	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must not spring-clean
you must not spring-clean
she must not spring-clean
we must not spring-clean
you must not spring-clean
they must not spring-clean 	I must not be spring-cleaning
you must not be spring-cleaning
she must not be spring-cleaning
we must not be spring-cleaning
you must not be spring-cleaning
they must not be spring-cleaning	I must not have spring-cleaned
you must not have spring-cleaned
she must not have spring-cleaned
we must not have spring-cleaned
you must not have spring-cleaned
they must not have spring-cleaned	I must not have been spring-cleaning
you must not have been spring-cleaning
she must not have been spring-cleaning
we must not have been spring-cleaning
you must not have been spring-cleaning
they must not have been spring-cleaning	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I spring-clean?
must you spring-clean?
must she spring-clean?
must we spring-clean?
must you spring-clean?
must they spring-clean? 	must I be spring-cleaning?
must you be spring-cleaning?
must she be spring-cleaning?
must we be spring-cleaning?
must you be spring-cleaning?
must they be spring-cleaning? 	must I have spring-cleaned?
must you have spring-cleaned?
must she have spring-cleaned?
must we have spring-cleaned?
must you have spring-cleaned?
must they have spring-cleaned? 	must I have been spring-cleaning?
must you have been spring-cleaning?
must she have been spring-cleaning?
must we have been spring-cleaning?
must you have been spring-cleaning?
must they have been spring-cleaning? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I not spring-clean?
must you not spring-clean?
must she not spring-clean?
must we not spring-clean?
must you not spring-clean?
must they not spring-clean? 	must I not be spring-cleaning?
must you not be spring-cleaning?
must she not be spring-cleaning?
must we not be spring-cleaning?
must you not be spring-cleaning?
must they not be spring-cleaning? 	must I not have spring-cleaned?
must you not have spring-cleaned?
must she not have spring-cleaned?
must we not have spring-cleaned?
must you not have spring-cleaned?
must they not have spring-cleaned? 	must I not have been spring-cleaning?
must you not have been spring-cleaning?
must she not have been spring-cleaning?
must we not have been spring-cleaning?
must you not have been spring-cleaning?
must they not have been spring-cleaning?