could spring-clean
Verbo regolare: spring-clean - spring-cleaned- spring-cleaned

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

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

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

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