ought to book
Verbo regular: book - booked- booked

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I ought to book
you ought to book
she ought to book
we ought to book
you ought to book
they ought to book 	I ought to be booking
you ought to be booking
she ought to be booking
we ought to be booking
you ought to be booking
they ought to be booking	I ought to have booked
you ought to have booked
she ought to have booked
we ought to have booked
you ought to have booked
they ought to have booked	I ought to have been booking
you ought to have been booking
she ought to have been booking
we ought to have been booking
you ought to have been booking
they ought to have been booking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I ought not to book
you ought not to book
she ought not to book
we ought not to book
you ought not to book
they ought not to book 	I ought not to booking
you ought not to booking
she ought not to booking
we ought not to booking
you ought not to booking
they ought not to booking	I ought not to have booked
you ought not to have booked
she ought not to have booked
we ought not to have booked
you ought not to have booked
they ought not to have booked	I ought not to have been booking
you ought not to have been booking
she ought not to have been booking
we ought not to have been booking
you ought not to have been booking
they ought not to have been booking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
ought to I book?
ought to you book?
ought to she book?
ought to we book?
ought to you book?
ought to they book? 	ought to I be booking?
ought to you be booking?
ought to she be booking?
ought to we be booking?
ought to you be booking?
ought to they be booking? 	ought to I have booked?
ought to you have booked?
ought to she have booked?
ought to we have booked?
ought to you have booked?
ought to they have booked? 	ought to I have been booking?
ought to you have been booking?
ought to she have been booking?
ought to we have been booking?
ought to you have been booking?
ought to they have been booking? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
ought I not to book?
ought you not to book?
ought she not to book?
ought we not to book?
ought you not to book?
ought they not to book? 	ought I not to be booking?
ought you not to be booking?
ought she not to be booking?
ought we not to be booking?
ought you not to be booking?
ought they not to be booking? 	ought I not to have booked?
ought you not to have booked?
ought she not to have booked?
ought we not to have booked?
ought you not to have booked?
ought they not to have booked? 	ought I not to have been booking?
ought you not to have been booking?
ought she not to have been booking?
ought we not to have been booking?
ought you not to have been booking?
ought they not to have been booking?