must burden burden
Verbo regular: burden burden - burden burdened- burden burdened

, este verbo pode não existir, a conjugação é dada como exemplo.

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must burden burden
you must burden burden
he must burden burden
we must burden burden
you must burden burden
they must burden burden 	I must be burden burdening
you must be burden burdening
he must be burden burdening
we must be burden burdening
you must be burden burdening
they must be burden burdening	I must have burden burdened
you must have burden burdened
he must have burden burdened
we must have burden burdened
you must have burden burdened
they must have burden burdened	I must have been burden burdening
you must have been burden burdening
he must have been burden burdening
we must have been burden burdening
you must have been burden burdening
they must have been burden burdening	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not burden burden
you must not burden burden
he must not burden burden
we must not burden burden
you must not burden burden
they must not burden burden 	I must not be burden burdening
you must not be burden burdening
he must not be burden burdening
we must not be burden burdening
you must not be burden burdening
they must not be burden burdening	I must not have burden burdened
you must not have burden burdened
he must not have burden burdened
we must not have burden burdened
you must not have burden burdened
they must not have burden burdened	I must not have been burden burdening
you must not have been burden burdening
he must not have been burden burdening
we must not have been burden burdening
you must not have been burden burdening
they must not have been burden burdening	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I burden burden?
must you burden burden?
must he burden burden?
must we burden burden?
must you burden burden?
must they burden burden? 	must I be burden burdening?
must you be burden burdening?
must he be burden burdening?
must we be burden burdening?
must you be burden burdening?
must they be burden burdening? 	must I have burden burdened?
must you have burden burdened?
must he have burden burdened?
must we have burden burdened?
must you have burden burdened?
must they have burden burdened? 	must I have been burden burdening?
must you have been burden burdening?
must he have been burden burdening?
must we have been burden burdening?
must you have been burden burdening?
must they have been burden burdening? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not burden burden?
must you not burden burden?
must he not burden burden?
must we not burden burden?
must you not burden burden?
must they not burden burden? 	must I not be burden burdening?
must you not be burden burdening?
must he not be burden burdening?
must we not be burden burdening?
must you not be burden burdening?
must they not be burden burdening? 	must I not have burden burdened?
must you not have burden burdened?
must he not have burden burdened?
must we not have burden burdened?
must you not have burden burdened?
must they not have burden burdened? 	must I not have been burden burdening?
must you not have been burden burdening?
must he not have been burden burdening?
must we not have been burden burdening?
must you not have been burden burdening?
must they not have been burden burdening?