ought to subtract
Verbo regular: subtract - subtracted- subtracted

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I ought to subtract
you ought to subtract
she ought to subtract
we ought to subtract
you ought to subtract
they ought to subtract 	I ought to be subtracting
you ought to be subtracting
she ought to be subtracting
we ought to be subtracting
you ought to be subtracting
they ought to be subtracting	I ought to have subtracted
you ought to have subtracted
she ought to have subtracted
we ought to have subtracted
you ought to have subtracted
they ought to have subtracted	I ought to have been subtracting
you ought to have been subtracting
she ought to have been subtracting
we ought to have been subtracting
you ought to have been subtracting
they ought to have been subtracting	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I ought not to subtract
you ought not to subtract
she ought not to subtract
we ought not to subtract
you ought not to subtract
they ought not to subtract 	I ought not to subtracting
you ought not to subtracting
she ought not to subtracting
we ought not to subtracting
you ought not to subtracting
they ought not to subtracting	I ought not to have subtracted
you ought not to have subtracted
she ought not to have subtracted
we ought not to have subtracted
you ought not to have subtracted
they ought not to have subtracted	I ought not to have been subtracting
you ought not to have been subtracting
she ought not to have been subtracting
we ought not to have been subtracting
you ought not to have been subtracting
they ought not to have been subtracting	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
ought to I subtract?
ought to you subtract?
ought to she subtract?
ought to we subtract?
ought to you subtract?
ought to they subtract? 	ought to I be subtracting?
ought to you be subtracting?
ought to she be subtracting?
ought to we be subtracting?
ought to you be subtracting?
ought to they be subtracting? 	ought to I have subtracted?
ought to you have subtracted?
ought to she have subtracted?
ought to we have subtracted?
ought to you have subtracted?
ought to they have subtracted? 	ought to I have been subtracting?
ought to you have been subtracting?
ought to she have been subtracting?
ought to we have been subtracting?
ought to you have been subtracting?
ought to they have been subtracting? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
ought I not to subtract?
ought you not to subtract?
ought she not to subtract?
ought we not to subtract?
ought you not to subtract?
ought they not to subtract? 	ought I not to be subtracting?
ought you not to be subtracting?
ought she not to be subtracting?
ought we not to be subtracting?
ought you not to be subtracting?
ought they not to be subtracting? 	ought I not to have subtracted?
ought you not to have subtracted?
ought she not to have subtracted?
ought we not to have subtracted?
ought you not to have subtracted?
ought they not to have subtracted? 	ought I not to have been subtracting?
ought you not to have been subtracting?
ought she not to have been subtracting?
ought we not to have been subtracting?
ought you not to have been subtracting?
ought they not to have been subtracting?