ought to clank
Regular verb: clank - clanked- clanked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to clank
you ought to clank
she ought to clank
we ought to clank
you ought to clank
they ought to clank 	I ought to be clanking
you ought to be clanking
she ought to be clanking
we ought to be clanking
you ought to be clanking
they ought to be clanking	I ought to have clanked
you ought to have clanked
she ought to have clanked
we ought to have clanked
you ought to have clanked
they ought to have clanked	I ought to have been clanking
you ought to have been clanking
she ought to have been clanking
we ought to have been clanking
you ought to have been clanking
they ought to have been clanking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to clank
you oughtn't to clank
she oughtn't to clank
we oughtn't to clank
you oughtn't to clank
they oughtn't to clank 	I oughtn't to be clanking
you oughtn't to be clanking
she oughtn't to be clanking
we oughtn't to be clanking
you oughtn't to be clanking
they oughtn't to be clanking	I oughtn't to have clanked
you oughtn't to have clanked
she oughtn't to have clanked
we oughtn't to have clanked
you oughtn't to have clanked
they oughtn't to have clanked	I oughtn't to have been clanking
you oughtn't to have been clanking
she oughtn't to have been clanking
we oughtn't to have been clanking
you oughtn't to have been clanking
they oughtn't to have been clanking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I clank?
ought to you clank?
ought to she clank?
ought to we clank?
ought to you clank?
ought to they clank? 	ought to I be clanking?
ought to you be clanking?
ought to she be clanking?
ought to we be clanking?
ought to you be clanking?
ought to they be clanking? 	ought to I have clanked?
ought to you have clanked?
ought to she have clanked?
ought to we have clanked?
ought to you have clanked?
ought to they have clanked? 	ought to I have been clanking?
ought to you have been clanking?
ought to she have been clanking?
ought to we have been clanking?
ought to you have been clanking?
ought to they have been clanking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to clank?
oughtn't you to clank?
oughtn't she to clank?
oughtn't we to clank?
oughtn't you to clank?
oughtn't they to clank? 	oughtn't I to be clanking?
oughtn't you to be clanking?
oughtn't she to be clanking?
oughtn't we to be clanking?
oughtn't you to be clanking?
oughtn't they to be clanking? 	oughtn't I to have clanked?
oughtn't you to have clanked?
oughtn't she to have clanked?
oughtn't we to have clanked?
oughtn't you to have clanked?
oughtn't they to have clanked? 	oughtn't I to have been clanking?
oughtn't you to have been clanking?
oughtn't she to have been clanking?
oughtn't we to have been clanking?
oughtn't you to have been clanking?
oughtn't they to have been clanking?