English verb conjugation
OUGHT TO THATCH

Regular verb: thatch - thatched - thatched

Affirmation

Simple form	V-ing form
I ought to thatch you ought to thatch he ought to thatch we ought to thatch you ought to thatch they ought to thatch	I ought to be thatching you ought to be thatching he ought to be thatching we ought to be thatching you ought to be thatching they ought to be thatching
Perfect	V-ing perfect
I ought to have thatched you ought to have thatched he ought to have thatched we ought to have thatched you ought to have thatched they ought to have thatched	I ought to have been thatching you ought to have been thatching he ought to have been thatching we ought to have been thatching you ought to have been thatching they ought to have been thatching

Negation

Simple form	V-ing form
I ought not to thatch you ought not to thatch he ought not to thatch we ought not to thatch you ought not to thatch they ought not to thatch	I ought not to thatching you ought not to thatching he ought not to thatching we ought not to thatching you ought not to thatching they ought not to thatching
Perfect	V-ing perfect
I ought not to have thatched you ought not to have thatched he ought not to have thatched we ought not to have thatched you ought not to have thatched they ought not to have thatched	I ought not to have been thatching you ought not to have been thatching he ought not to have been thatching we ought not to have been thatching you ought not to have been thatching they ought not to have been thatching

Interrogative form

Simple form	V-ing form
ought to I thatch? ought to you thatch? ought to he thatch? ought to we thatch? ought to you thatch? ought to they thatch?	ought to I be thatching? ought to you be thatching? ought to he be thatching? ought to we be thatching? ought to you be thatching? ought to they be thatching?
Perfect	V-ing perfect
ought to I have thatched? ought to you have thatched? ought to he have thatched? ought to we have thatched? ought to you have thatched? ought to they have thatched?	ought to I have been thatching? ought to you have been thatching? ought to he have been thatching? ought to we have been thatching? ought to you have been thatching? ought to they have been thatching?

Interro-negative form

Simple form	V-ing form
ought I not to thatch? ought you not to thatch? ought he not to thatch? ought we not to thatch? ought you not to thatch? ought they not to thatch?	ought I not to be thatching? ought you not to be thatching? ought he not to be thatching? ought we not to be thatching? ought you not to be thatching? ought they not to be thatching?
Perfect	V-ing perfect
ought I not to have thatched? ought you not to have thatched? ought he not to have thatched? ought we not to have thatched? ought you not to have thatched? ought they not to have thatched?	ought I not to have been thatching? ought you not to have been thatching? ought he not to have been thatching? ought we not to have been thatching? ought you not to have been thatching? ought they not to have been thatching?