must flank
Verbo regular: flank - flanked- flanked

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must flank
you must flank
she must flank
we must flank
you must flank
they must flank 	I must be flanking
you must be flanking
she must be flanking
we must be flanking
you must be flanking
they must be flanking	I must have flanked
you must have flanked
she must have flanked
we must have flanked
you must have flanked
they must have flanked	I must have been flanking
you must have been flanking
she must have been flanking
we must have been flanking
you must have been flanking
they must have been flanking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not flank
you must not flank
she must not flank
we must not flank
you must not flank
they must not flank 	I must not be flanking
you must not be flanking
she must not be flanking
we must not be flanking
you must not be flanking
they must not be flanking	I must not have flanked
you must not have flanked
she must not have flanked
we must not have flanked
you must not have flanked
they must not have flanked	I must not have been flanking
you must not have been flanking
she must not have been flanking
we must not have been flanking
you must not have been flanking
they must not have been flanking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I flank?
must you flank?
must she flank?
must we flank?
must you flank?
must they flank? 	must I be flanking?
must you be flanking?
must she be flanking?
must we be flanking?
must you be flanking?
must they be flanking? 	must I have flanked?
must you have flanked?
must she have flanked?
must we have flanked?
must you have flanked?
must they have flanked? 	must I have been flanking?
must you have been flanking?
must she have been flanking?
must we have been flanking?
must you have been flanking?
must they have been flanking? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not flank?
must you not flank?
must she not flank?
must we not flank?
must you not flank?
must they not flank? 	must I not be flanking?
must you not be flanking?
must she not be flanking?
must we not be flanking?
must you not be flanking?
must they not be flanking? 	must I not have flanked?
must you not have flanked?
must she not have flanked?
must we not have flanked?
must you not have flanked?
must they not have flanked? 	must I not have been flanking?
must you not have been flanking?
must she not have been flanking?
must we not have been flanking?
must you not have been flanking?
must they not have been flanking?