English verb conjugation
OUGHT TO CLOG

Regular verb: clog - clogged - clogged

Affirmation

Simple form	V-ing form
I ought to clog you ought to clog she ought to clog we ought to clog you ought to clog they ought to clog	I ought to be clogging you ought to be clogging she ought to be clogging we ought to be clogging you ought to be clogging they ought to be clogging
Perfect	V-ing perfect
I ought to have clogged you ought to have clogged she ought to have clogged we ought to have clogged you ought to have clogged they ought to have clogged	I ought to have been clogging you ought to have been clogging she ought to have been clogging we ought to have been clogging you ought to have been clogging they ought to have been clogging

Negation

Simple form	V-ing form
I oughtn't to clog you oughtn't to clog she oughtn't to clog we oughtn't to clog you oughtn't to clog they oughtn't to clog	I oughtn't to be clogging you oughtn't to be clogging she oughtn't to be clogging we oughtn't to be clogging you oughtn't to be clogging they oughtn't to be clogging
Perfect	V-ing perfect
I oughtn't to have clogged you oughtn't to have clogged she oughtn't to have clogged we oughtn't to have clogged you oughtn't to have clogged they oughtn't to have clogged	I oughtn't to have been clogging you oughtn't to have been clogging she oughtn't to have been clogging we oughtn't to have been clogging you oughtn't to have been clogging they oughtn't to have been clogging

Interrogative form

Simple form	V-ing form
ought to I clog? ought to you clog? ought to she clog? ought to we clog? ought to you clog? ought to they clog?	ought to I be clogging? ought to you be clogging? ought to she be clogging? ought to we be clogging? ought to you be clogging? ought to they be clogging?
Perfect	V-ing perfect
ought to I have clogged? ought to you have clogged? ought to she have clogged? ought to we have clogged? ought to you have clogged? ought to they have clogged?	ought to I have been clogging? ought to you have been clogging? ought to she have been clogging? ought to we have been clogging? ought to you have been clogging? ought to they have been clogging?

Interro-negative form

Simple form	V-ing form
oughtn't I to clog? oughtn't you to clog? oughtn't she to clog? oughtn't we to clog? oughtn't you to clog? oughtn't they to clog?	oughtn't I to be clogging? oughtn't you to be clogging? oughtn't she to be clogging? oughtn't we to be clogging? oughtn't you to be clogging? oughtn't they to be clogging?
Perfect	V-ing perfect
oughtn't I to have clogged? oughtn't you to have clogged? oughtn't she to have clogged? oughtn't we to have clogged? oughtn't you to have clogged? oughtn't they to have clogged?	oughtn't I to have been clogging? oughtn't you to have been clogging? oughtn't she to have been clogging? oughtn't we to have been clogging? oughtn't you to have been clogging? oughtn't they to have been clogging?