English verb conjugation
OUGHT TO COUNTERCHECK

Regular verb: countercheck - counterchecked - counterchecked

Affirmation

Simple form	V-ing form
I ought to countercheck you ought to countercheck he ought to countercheck we ought to countercheck you ought to countercheck they ought to countercheck	I ought to be counterchecking you ought to be counterchecking he ought to be counterchecking we ought to be counterchecking you ought to be counterchecking they ought to be counterchecking
Perfect	V-ing perfect
I ought to have counterchecked you ought to have counterchecked he ought to have counterchecked we ought to have counterchecked you ought to have counterchecked they ought to have counterchecked	I ought to have been counterchecking you ought to have been counterchecking he ought to have been counterchecking we ought to have been counterchecking you ought to have been counterchecking they ought to have been counterchecking

Negation

Simple form	V-ing form
I oughtn't to countercheck you oughtn't to countercheck he oughtn't to countercheck we oughtn't to countercheck you oughtn't to countercheck they oughtn't to countercheck	I oughtn't to be counterchecking you oughtn't to be counterchecking he oughtn't to be counterchecking we oughtn't to be counterchecking you oughtn't to be counterchecking they oughtn't to be counterchecking
Perfect	V-ing perfect
I oughtn't to have counterchecked you oughtn't to have counterchecked he oughtn't to have counterchecked we oughtn't to have counterchecked you oughtn't to have counterchecked they oughtn't to have counterchecked	I oughtn't to have been counterchecking you oughtn't to have been counterchecking he oughtn't to have been counterchecking we oughtn't to have been counterchecking you oughtn't to have been counterchecking they oughtn't to have been counterchecking

Interrogative form

Simple form	V-ing form
ought to I countercheck? ought to you countercheck? ought to he countercheck? ought to we countercheck? ought to you countercheck? ought to they countercheck?	ought to I be counterchecking? ought to you be counterchecking? ought to he be counterchecking? ought to we be counterchecking? ought to you be counterchecking? ought to they be counterchecking?
Perfect	V-ing perfect
ought to I have counterchecked? ought to you have counterchecked? ought to he have counterchecked? ought to we have counterchecked? ought to you have counterchecked? ought to they have counterchecked?	ought to I have been counterchecking? ought to you have been counterchecking? ought to he have been counterchecking? ought to we have been counterchecking? ought to you have been counterchecking? ought to they have been counterchecking?

Interro-negative form

Simple form	V-ing form
oughtn't I to countercheck? oughtn't you to countercheck? oughtn't he to countercheck? oughtn't we to countercheck? oughtn't you to countercheck? oughtn't they to countercheck?	oughtn't I to be counterchecking? oughtn't you to be counterchecking? oughtn't he to be counterchecking? oughtn't we to be counterchecking? oughtn't you to be counterchecking? oughtn't they to be counterchecking?
Perfect	V-ing perfect
oughtn't I to have counterchecked? oughtn't you to have counterchecked? oughtn't he to have counterchecked? oughtn't we to have counterchecked? oughtn't you to have counterchecked? oughtn't they to have counterchecked?	oughtn't I to have been counterchecking? oughtn't you to have been counterchecking? oughtn't he to have been counterchecking? oughtn't we to have been counterchecking? oughtn't you to have been counterchecking? oughtn't they to have been counterchecking?