English verb conjugation
OUGHT TO THANK

Regular verb: thank - thanked - thanked

Affirmation

Simple form	V-ing form
I ought to thank you ought to thank he ought to thank we ought to thank you ought to thank they ought to thank	I ought to be thanking you ought to be thanking he ought to be thanking we ought to be thanking you ought to be thanking they ought to be thanking
Perfect	V-ing perfect
I ought to have thanked you ought to have thanked he ought to have thanked we ought to have thanked you ought to have thanked they ought to have thanked	I ought to have been thanking you ought to have been thanking he ought to have been thanking we ought to have been thanking you ought to have been thanking they ought to have been thanking

Negation

Simple form	V-ing form
I ought not to thank you ought not to thank he ought not to thank we ought not to thank you ought not to thank they ought not to thank	I ought not to thanking you ought not to thanking he ought not to thanking we ought not to thanking you ought not to thanking they ought not to thanking
Perfect	V-ing perfect
I ought not to have thanked you ought not to have thanked he ought not to have thanked we ought not to have thanked you ought not to have thanked they ought not to have thanked	I ought not to have been thanking you ought not to have been thanking he ought not to have been thanking we ought not to have been thanking you ought not to have been thanking they ought not to have been thanking

Interrogative form

Simple form	V-ing form
ought to I thank? ought to you thank? ought to he thank? ought to we thank? ought to you thank? ought to they thank?	ought to I be thanking? ought to you be thanking? ought to he be thanking? ought to we be thanking? ought to you be thanking? ought to they be thanking?
Perfect	V-ing perfect
ought to I have thanked? ought to you have thanked? ought to he have thanked? ought to we have thanked? ought to you have thanked? ought to they have thanked?	ought to I have been thanking? ought to you have been thanking? ought to he have been thanking? ought to we have been thanking? ought to you have been thanking? ought to they have been thanking?

Interro-negative form

Simple form	V-ing form
ought I not to thank? ought you not to thank? ought he not to thank? ought we not to thank? ought you not to thank? ought they not to thank?	ought I not to be thanking? ought you not to be thanking? ought he not to be thanking? ought we not to be thanking? ought you not to be thanking? ought they not to be thanking?
Perfect	V-ing perfect
ought I not to have thanked? ought you not to have thanked? ought he not to have thanked? ought we not to have thanked? ought you not to have thanked? ought they not to have thanked?	ought I not to have been thanking? ought you not to have been thanking? ought he not to have been thanking? ought we not to have been thanking? ought you not to have been thanking? ought they not to have been thanking?