must forefend
Verbo regular: forefend - forefended- forefended

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must forefend
you must forefend
she must forefend
we must forefend
you must forefend
they must forefend 	I must be forefending
you must be forefending
she must be forefending
we must be forefending
you must be forefending
they must be forefending	I must have forefended
you must have forefended
she must have forefended
we must have forefended
you must have forefended
they must have forefended	I must have been forefending
you must have been forefending
she must have been forefending
we must have been forefending
you must have been forefending
they must have been forefending	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not forefend
you must not forefend
she must not forefend
we must not forefend
you must not forefend
they must not forefend 	I must not be forefending
you must not be forefending
she must not be forefending
we must not be forefending
you must not be forefending
they must not be forefending	I must not have forefended
you must not have forefended
she must not have forefended
we must not have forefended
you must not have forefended
they must not have forefended	I must not have been forefending
you must not have been forefending
she must not have been forefending
we must not have been forefending
you must not have been forefending
they must not have been forefending	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I forefend?
must you forefend?
must she forefend?
must we forefend?
must you forefend?
must they forefend? 	must I be forefending?
must you be forefending?
must she be forefending?
must we be forefending?
must you be forefending?
must they be forefending? 	must I have forefended?
must you have forefended?
must she have forefended?
must we have forefended?
must you have forefended?
must they have forefended? 	must I have been forefending?
must you have been forefending?
must she have been forefending?
must we have been forefending?
must you have been forefending?
must they have been forefending? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not forefend?
must you not forefend?
must she not forefend?
must we not forefend?
must you not forefend?
must they not forefend? 	must I not be forefending?
must you not be forefending?
must she not be forefending?
must we not be forefending?
must you not be forefending?
must they not be forefending? 	must I not have forefended?
must you not have forefended?
must she not have forefended?
must we not have forefended?
must you not have forefended?
must they not have forefended? 	must I not have been forefending?
must you not have been forefending?
must she not have been forefending?
must we not have been forefending?
must you not have been forefending?
must they not have been forefending?