ought to drain
Verbo regular: drain - drained- drained

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I ought to drain
you ought to drain
he ought to drain
we ought to drain
you ought to drain
they ought to drain 	I ought to be draining
you ought to be draining
he ought to be draining
we ought to be draining
you ought to be draining
they ought to be draining	I ought to have drained
you ought to have drained
he ought to have drained
we ought to have drained
you ought to have drained
they ought to have drained	I ought to have been draining
you ought to have been draining
he ought to have been draining
we ought to have been draining
you ought to have been draining
they ought to have been draining	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I oughtn't to drain
you oughtn't to drain
he oughtn't to drain
we oughtn't to drain
you oughtn't to drain
they oughtn't to drain 	I oughtn't to be draining
you oughtn't to be draining
he oughtn't to be draining
we oughtn't to be draining
you oughtn't to be draining
they oughtn't to be draining	I oughtn't to have drained
you oughtn't to have drained
he oughtn't to have drained
we oughtn't to have drained
you oughtn't to have drained
they oughtn't to have drained	I oughtn't to have been draining
you oughtn't to have been draining
he oughtn't to have been draining
we oughtn't to have been draining
you oughtn't to have been draining
they oughtn't to have been draining	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
ought to I drain?
ought to you drain?
ought to he drain?
ought to we drain?
ought to you drain?
ought to they drain? 	ought to I be draining?
ought to you be draining?
ought to he be draining?
ought to we be draining?
ought to you be draining?
ought to they be draining? 	ought to I have drained?
ought to you have drained?
ought to he have drained?
ought to we have drained?
ought to you have drained?
ought to they have drained? 	ought to I have been draining?
ought to you have been draining?
ought to he have been draining?
ought to we have been draining?
ought to you have been draining?
ought to they have been draining? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
oughtn't I to drain?
oughtn't you to drain?
oughtn't he to drain?
oughtn't we to drain?
oughtn't you to drain?
oughtn't they to drain? 	oughtn't I to be draining?
oughtn't you to be draining?
oughtn't he to be draining?
oughtn't we to be draining?
oughtn't you to be draining?
oughtn't they to be draining? 	oughtn't I to have drained?
oughtn't you to have drained?
oughtn't he to have drained?
oughtn't we to have drained?
oughtn't you to have drained?
oughtn't they to have drained? 	oughtn't I to have been draining?
oughtn't you to have been draining?
oughtn't he to have been draining?
oughtn't we to have been draining?
oughtn't you to have been draining?
oughtn't they to have been draining?