must swing
Verbo irregular: swing - swung- swung

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must swing
you must swing
she must swing
we must swing
you must swing
they must swing 	I must be swinging
you must be swinging
she must be swinging
we must be swinging
you must be swinging
they must be swinging	I must have swung
you must have swung
she must have swung
we must have swung
you must have swung
they must have swung	I must have been swinging
you must have been swinging
she must have been swinging
we must have been swinging
you must have been swinging
they must have been swinging	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not swing
you must not swing
she must not swing
we must not swing
you must not swing
they must not swing 	I must not be swinging
you must not be swinging
she must not be swinging
we must not be swinging
you must not be swinging
they must not be swinging	I must not have swung
you must not have swung
she must not have swung
we must not have swung
you must not have swung
they must not have swung	I must not have been swinging
you must not have been swinging
she must not have been swinging
we must not have been swinging
you must not have been swinging
they must not have been swinging	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I swing?
must you swing?
must she swing?
must we swing?
must you swing?
must they swing? 	must I be swinging?
must you be swinging?
must she be swinging?
must we be swinging?
must you be swinging?
must they be swinging? 	must I have swung?
must you have swung?
must she have swung?
must we have swung?
must you have swung?
must they have swung? 	must I have been swinging?
must you have been swinging?
must she have been swinging?
must we have been swinging?
must you have been swinging?
must they have been swinging? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not swing?
must you not swing?
must she not swing?
must we not swing?
must you not swing?
must they not swing? 	must I not be swinging?
must you not be swinging?
must she not be swinging?
must we not be swinging?
must you not be swinging?
must they not be swinging? 	must I not have swung?
must you not have swung?
must she not have swung?
must we not have swung?
must you not have swung?
must they not have swung? 	must I not have been swinging?
must you not have been swinging?
must she not have been swinging?
must we not have been swinging?
must you not have been swinging?
must they not have been swinging?