must estop
Verbo regular: estop - estoped- estoped

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must estop
you must estop
she must estop
we must estop
you must estop
they must estop 	I must be estoping
you must be estoping
she must be estoping
we must be estoping
you must be estoping
they must be estoping	I must have estoped
you must have estoped
she must have estoped
we must have estoped
you must have estoped
they must have estoped	I must have been estoping
you must have been estoping
she must have been estoping
we must have been estoping
you must have been estoping
they must have been estoping	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not estop
you must not estop
she must not estop
we must not estop
you must not estop
they must not estop 	I must not be estoping
you must not be estoping
she must not be estoping
we must not be estoping
you must not be estoping
they must not be estoping	I must not have estoped
you must not have estoped
she must not have estoped
we must not have estoped
you must not have estoped
they must not have estoped	I must not have been estoping
you must not have been estoping
she must not have been estoping
we must not have been estoping
you must not have been estoping
they must not have been estoping	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I estop?
must you estop?
must she estop?
must we estop?
must you estop?
must they estop? 	must I be estoping?
must you be estoping?
must she be estoping?
must we be estoping?
must you be estoping?
must they be estoping? 	must I have estoped?
must you have estoped?
must she have estoped?
must we have estoped?
must you have estoped?
must they have estoped? 	must I have been estoping?
must you have been estoping?
must she have been estoping?
must we have been estoping?
must you have been estoping?
must they have been estoping? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not estop?
must you not estop?
must she not estop?
must we not estop?
must you not estop?
must they not estop? 	must I not be estoping?
must you not be estoping?
must she not be estoping?
must we not be estoping?
must you not be estoping?
must they not be estoping? 	must I not have estoped?
must you not have estoped?
must she not have estoped?
must we not have estoped?
must you not have estoped?
must they not have estoped? 	must I not have been estoping?
must you not have been estoping?
must she not have been estoping?
must we not have been estoping?
must you not have been estoping?
must they not have been estoping?