ought to attend
Verbo regular: attend - attended- attended

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I ought to attend
you ought to attend
he ought to attend
we ought to attend
you ought to attend
they ought to attend 	I ought to be attending
you ought to be attending
he ought to be attending
we ought to be attending
you ought to be attending
they ought to be attending	I ought to have attended
you ought to have attended
he ought to have attended
we ought to have attended
you ought to have attended
they ought to have attended	I ought to have been attending
you ought to have been attending
he ought to have been attending
we ought to have been attending
you ought to have been attending
they ought to have been attending	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I ought not to attend
you ought not to attend
he ought not to attend
we ought not to attend
you ought not to attend
they ought not to attend 	I ought not to attending
you ought not to attending
he ought not to attending
we ought not to attending
you ought not to attending
they ought not to attending	I ought not to have attended
you ought not to have attended
he ought not to have attended
we ought not to have attended
you ought not to have attended
they ought not to have attended	I ought not to have been attending
you ought not to have been attending
he ought not to have been attending
we ought not to have been attending
you ought not to have been attending
they ought not to have been attending	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
ought to I attend?
ought to you attend?
ought to he attend?
ought to we attend?
ought to you attend?
ought to they attend? 	ought to I be attending?
ought to you be attending?
ought to he be attending?
ought to we be attending?
ought to you be attending?
ought to they be attending? 	ought to I have attended?
ought to you have attended?
ought to he have attended?
ought to we have attended?
ought to you have attended?
ought to they have attended? 	ought to I have been attending?
ought to you have been attending?
ought to he have been attending?
ought to we have been attending?
ought to you have been attending?
ought to they have been attending? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
ought I not to attend?
ought you not to attend?
ought he not to attend?
ought we not to attend?
ought you not to attend?
ought they not to attend? 	ought I not to be attending?
ought you not to be attending?
ought he not to be attending?
ought we not to be attending?
ought you not to be attending?
ought they not to be attending? 	ought I not to have attended?
ought you not to have attended?
ought he not to have attended?
ought we not to have attended?
ought you not to have attended?
ought they not to have attended? 	ought I not to have been attending?
ought you not to have been attending?
ought he not to have been attending?
ought we not to have been attending?
ought you not to have been attending?
ought they not to have been attending?