must borrow
Verbo regular: borrow - borrowed- borrowed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must borrow
you must borrow
she must borrow
we must borrow
you must borrow
they must borrow 	I must be borrowing
you must be borrowing
she must be borrowing
we must be borrowing
you must be borrowing
they must be borrowing	I must have borrowed
you must have borrowed
she must have borrowed
we must have borrowed
you must have borrowed
they must have borrowed	I must have been borrowing
you must have been borrowing
she must have been borrowing
we must have been borrowing
you must have been borrowing
they must have been borrowing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not borrow
you must not borrow
she must not borrow
we must not borrow
you must not borrow
they must not borrow 	I must not be borrowing
you must not be borrowing
she must not be borrowing
we must not be borrowing
you must not be borrowing
they must not be borrowing	I must not have borrowed
you must not have borrowed
she must not have borrowed
we must not have borrowed
you must not have borrowed
they must not have borrowed	I must not have been borrowing
you must not have been borrowing
she must not have been borrowing
we must not have been borrowing
you must not have been borrowing
they must not have been borrowing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I borrow?
must you borrow?
must she borrow?
must we borrow?
must you borrow?
must they borrow? 	must I be borrowing?
must you be borrowing?
must she be borrowing?
must we be borrowing?
must you be borrowing?
must they be borrowing? 	must I have borrowed?
must you have borrowed?
must she have borrowed?
must we have borrowed?
must you have borrowed?
must they have borrowed? 	must I have been borrowing?
must you have been borrowing?
must she have been borrowing?
must we have been borrowing?
must you have been borrowing?
must they have been borrowing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not borrow?
must you not borrow?
must she not borrow?
must we not borrow?
must you not borrow?
must they not borrow? 	must I not be borrowing?
must you not be borrowing?
must she not be borrowing?
must we not be borrowing?
must you not be borrowing?
must they not be borrowing? 	must I not have borrowed?
must you not have borrowed?
must she not have borrowed?
must we not have borrowed?
must you not have borrowed?
must they not have borrowed? 	must I not have been borrowing?
must you not have been borrowing?
must she not have been borrowing?
must we not have been borrowing?
must you not have been borrowing?
must they not have been borrowing?