ought to sing
Verbo irregolare: sing - sang- sung

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I ought to sing
you ought to sing
she ought to sing
we ought to sing
you ought to sing
they ought to sing 	I ought to be singing
you ought to be singing
she ought to be singing
we ought to be singing
you ought to be singing
they ought to be singing	I ought to have sung
you ought to have sung
she ought to have sung
we ought to have sung
you ought to have sung
they ought to have sung	I ought to have been singing
you ought to have been singing
she ought to have been singing
we ought to have been singing
you ought to have been singing
they ought to have been singing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I ought not to sing
you ought not to sing
she ought not to sing
we ought not to sing
you ought not to sing
they ought not to sing 	I ought not to singing
you ought not to singing
she ought not to singing
we ought not to singing
you ought not to singing
they ought not to singing	I ought not to have sung
you ought not to have sung
she ought not to have sung
we ought not to have sung
you ought not to have sung
they ought not to have sung	I ought not to have been singing
you ought not to have been singing
she ought not to have been singing
we ought not to have been singing
you ought not to have been singing
they ought not to have been singing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
ought to I sing?
ought to you sing?
ought to she sing?
ought to we sing?
ought to you sing?
ought to they sing? 	ought to I be singing?
ought to you be singing?
ought to she be singing?
ought to we be singing?
ought to you be singing?
ought to they be singing? 	ought to I have sung?
ought to you have sung?
ought to she have sung?
ought to we have sung?
ought to you have sung?
ought to they have sung? 	ought to I have been singing?
ought to you have been singing?
ought to she have been singing?
ought to we have been singing?
ought to you have been singing?
ought to they have been singing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
ought I not to sing?
ought you not to sing?
ought she not to sing?
ought we not to sing?
ought you not to sing?
ought they not to sing? 	ought I not to be singing?
ought you not to be singing?
ought she not to be singing?
ought we not to be singing?
ought you not to be singing?
ought they not to be singing? 	ought I not to have sung?
ought you not to have sung?
ought she not to have sung?
ought we not to have sung?
ought you not to have sung?
ought they not to have sung? 	ought I not to have been singing?
ought you not to have been singing?
ought she not to have been singing?
ought we not to have been singing?
ought you not to have been singing?
ought they not to have been singing?