ought to chair
Verbo regular: chair - chaired- chaired

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I ought to chair
you ought to chair
he ought to chair
we ought to chair
you ought to chair
they ought to chair 	I ought to be chairing
you ought to be chairing
he ought to be chairing
we ought to be chairing
you ought to be chairing
they ought to be chairing	I ought to have chaired
you ought to have chaired
he ought to have chaired
we ought to have chaired
you ought to have chaired
they ought to have chaired	I ought to have been chairing
you ought to have been chairing
he ought to have been chairing
we ought to have been chairing
you ought to have been chairing
they ought to have been chairing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I ought not to chair
you ought not to chair
he ought not to chair
we ought not to chair
you ought not to chair
they ought not to chair 	I ought not to chairing
you ought not to chairing
he ought not to chairing
we ought not to chairing
you ought not to chairing
they ought not to chairing	I ought not to have chaired
you ought not to have chaired
he ought not to have chaired
we ought not to have chaired
you ought not to have chaired
they ought not to have chaired	I ought not to have been chairing
you ought not to have been chairing
he ought not to have been chairing
we ought not to have been chairing
you ought not to have been chairing
they ought not to have been chairing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
ought to I chair?
ought to you chair?
ought to he chair?
ought to we chair?
ought to you chair?
ought to they chair? 	ought to I be chairing?
ought to you be chairing?
ought to he be chairing?
ought to we be chairing?
ought to you be chairing?
ought to they be chairing? 	ought to I have chaired?
ought to you have chaired?
ought to he have chaired?
ought to we have chaired?
ought to you have chaired?
ought to they have chaired? 	ought to I have been chairing?
ought to you have been chairing?
ought to he have been chairing?
ought to we have been chairing?
ought to you have been chairing?
ought to they have been chairing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
ought I not to chair?
ought you not to chair?
ought he not to chair?
ought we not to chair?
ought you not to chair?
ought they not to chair? 	ought I not to be chairing?
ought you not to be chairing?
ought he not to be chairing?
ought we not to be chairing?
ought you not to be chairing?
ought they not to be chairing? 	ought I not to have chaired?
ought you not to have chaired?
ought he not to have chaired?
ought we not to have chaired?
ought you not to have chaired?
ought they not to have chaired? 	ought I not to have been chairing?
ought you not to have been chairing?
ought he not to have been chairing?
ought we not to have been chairing?
ought you not to have been chairing?
ought they not to have been chairing?