must eclipse
Verbo regular: eclipse - eclipsed- eclipsed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must eclipse
you must eclipse
she must eclipse
we must eclipse
you must eclipse
they must eclipse 	I must be eclipsing
you must be eclipsing
she must be eclipsing
we must be eclipsing
you must be eclipsing
they must be eclipsing	I must have eclipsed
you must have eclipsed
she must have eclipsed
we must have eclipsed
you must have eclipsed
they must have eclipsed	I must have been eclipsing
you must have been eclipsing
she must have been eclipsing
we must have been eclipsing
you must have been eclipsing
they must have been eclipsing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not eclipse
you must not eclipse
she must not eclipse
we must not eclipse
you must not eclipse
they must not eclipse 	I must not be eclipsing
you must not be eclipsing
she must not be eclipsing
we must not be eclipsing
you must not be eclipsing
they must not be eclipsing	I must not have eclipsed
you must not have eclipsed
she must not have eclipsed
we must not have eclipsed
you must not have eclipsed
they must not have eclipsed	I must not have been eclipsing
you must not have been eclipsing
she must not have been eclipsing
we must not have been eclipsing
you must not have been eclipsing
they must not have been eclipsing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I eclipse?
must you eclipse?
must she eclipse?
must we eclipse?
must you eclipse?
must they eclipse? 	must I be eclipsing?
must you be eclipsing?
must she be eclipsing?
must we be eclipsing?
must you be eclipsing?
must they be eclipsing? 	must I have eclipsed?
must you have eclipsed?
must she have eclipsed?
must we have eclipsed?
must you have eclipsed?
must they have eclipsed? 	must I have been eclipsing?
must you have been eclipsing?
must she have been eclipsing?
must we have been eclipsing?
must you have been eclipsing?
must they have been eclipsing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not eclipse?
must you not eclipse?
must she not eclipse?
must we not eclipse?
must you not eclipse?
must they not eclipse? 	must I not be eclipsing?
must you not be eclipsing?
must she not be eclipsing?
must we not be eclipsing?
must you not be eclipsing?
must they not be eclipsing? 	must I not have eclipsed?
must you not have eclipsed?
must she not have eclipsed?
must we not have eclipsed?
must you not have eclipsed?
must they not have eclipsed? 	must I not have been eclipsing?
must you not have been eclipsing?
must she not have been eclipsing?
must we not have been eclipsing?
must you not have been eclipsing?
must they not have been eclipsing?