ought to knock
Verbo regolare: knock - knocked- knocked

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I ought to knock
you ought to knock
he ought to knock
we ought to knock
you ought to knock
they ought to knock 	I ought to be knocking
you ought to be knocking
he ought to be knocking
we ought to be knocking
you ought to be knocking
they ought to be knocking	I ought to have knocked
you ought to have knocked
he ought to have knocked
we ought to have knocked
you ought to have knocked
they ought to have knocked	I ought to have been knocking
you ought to have been knocking
he ought to have been knocking
we ought to have been knocking
you ought to have been knocking
they ought to have been knocking	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I oughtn't to knock
you oughtn't to knock
he oughtn't to knock
we oughtn't to knock
you oughtn't to knock
they oughtn't to knock 	I oughtn't to be knocking
you oughtn't to be knocking
he oughtn't to be knocking
we oughtn't to be knocking
you oughtn't to be knocking
they oughtn't to be knocking	I oughtn't to have knocked
you oughtn't to have knocked
he oughtn't to have knocked
we oughtn't to have knocked
you oughtn't to have knocked
they oughtn't to have knocked	I oughtn't to have been knocking
you oughtn't to have been knocking
he oughtn't to have been knocking
we oughtn't to have been knocking
you oughtn't to have been knocking
they oughtn't to have been knocking	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
ought to I knock?
ought to you knock?
ought to he knock?
ought to we knock?
ought to you knock?
ought to they knock? 	ought to I be knocking?
ought to you be knocking?
ought to he be knocking?
ought to we be knocking?
ought to you be knocking?
ought to they be knocking? 	ought to I have knocked?
ought to you have knocked?
ought to he have knocked?
ought to we have knocked?
ought to you have knocked?
ought to they have knocked? 	ought to I have been knocking?
ought to you have been knocking?
ought to he have been knocking?
ought to we have been knocking?
ought to you have been knocking?
ought to they have been knocking? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
oughtn't I to knock?
oughtn't you to knock?
oughtn't he to knock?
oughtn't we to knock?
oughtn't you to knock?
oughtn't they to knock? 	oughtn't I to be knocking?
oughtn't you to be knocking?
oughtn't he to be knocking?
oughtn't we to be knocking?
oughtn't you to be knocking?
oughtn't they to be knocking? 	oughtn't I to have knocked?
oughtn't you to have knocked?
oughtn't he to have knocked?
oughtn't we to have knocked?
oughtn't you to have knocked?
oughtn't they to have knocked? 	oughtn't I to have been knocking?
oughtn't you to have been knocking?
oughtn't he to have been knocking?
oughtn't we to have been knocking?
oughtn't you to have been knocking?
oughtn't they to have been knocking?