English verb conjugation
OUGHT TO MASK

Regular verb: mask - masked - masked

Affirmation

Simple form	V-ing form
I ought to mask you ought to mask he ought to mask we ought to mask you ought to mask they ought to mask	I ought to be masking you ought to be masking he ought to be masking we ought to be masking you ought to be masking they ought to be masking
Perfect	V-ing perfect
I ought to have masked you ought to have masked he ought to have masked we ought to have masked you ought to have masked they ought to have masked	I ought to have been masking you ought to have been masking he ought to have been masking we ought to have been masking you ought to have been masking they ought to have been masking

Negation

Simple form	V-ing form
I ought not to mask you ought not to mask he ought not to mask we ought not to mask you ought not to mask they ought not to mask	I ought not to masking you ought not to masking he ought not to masking we ought not to masking you ought not to masking they ought not to masking
Perfect	V-ing perfect
I ought not to have masked you ought not to have masked he ought not to have masked we ought not to have masked you ought not to have masked they ought not to have masked	I ought not to have been masking you ought not to have been masking he ought not to have been masking we ought not to have been masking you ought not to have been masking they ought not to have been masking

Interrogative form

Simple form	V-ing form
ought to I mask? ought to you mask? ought to he mask? ought to we mask? ought to you mask? ought to they mask?	ought to I be masking? ought to you be masking? ought to he be masking? ought to we be masking? ought to you be masking? ought to they be masking?
Perfect	V-ing perfect
ought to I have masked? ought to you have masked? ought to he have masked? ought to we have masked? ought to you have masked? ought to they have masked?	ought to I have been masking? ought to you have been masking? ought to he have been masking? ought to we have been masking? ought to you have been masking? ought to they have been masking?

Interro-negative form

Simple form	V-ing form
ought I not to mask? ought you not to mask? ought he not to mask? ought we not to mask? ought you not to mask? ought they not to mask?	ought I not to be masking? ought you not to be masking? ought he not to be masking? ought we not to be masking? ought you not to be masking? ought they not to be masking?
Perfect	V-ing perfect
ought I not to have masked? ought you not to have masked? ought he not to have masked? ought we not to have masked? ought you not to have masked? ought they not to have masked?	ought I not to have been masking? ought you not to have been masking? ought he not to have been masking? ought we not to have been masking? ought you not to have been masking? ought they not to have been masking?