I ought to theorise you ought to theorise she ought to theorise we ought to theorise you ought to theorise they ought to theorise
V-ing form
I ought to be theorising you ought to be theorising she ought to be theorising we ought to be theorising you ought to be theorising they ought to be theorising
Perfect
I ought to have theorised you ought to have theorised she ought to have theorised we ought to have theorised you ought to have theorised they ought to have theorised
V-ing perfect
I ought to have been theorising you ought to have been theorising she ought to have been theorising we ought to have been theorising you ought to have been theorising they ought to have been theorising
Negation
Simple form
I ought not to theorise you ought not to theorise she ought not to theorise we ought not to theorise you ought not to theorise they ought not to theorise
V-ing form
I ought not to theorising you ought not to theorising she ought not to theorising we ought not to theorising you ought not to theorising they ought not to theorising
Perfect
I ought not to have theorised you ought not to have theorised she ought not to have theorised we ought not to have theorised you ought not to have theorised they ought not to have theorised
V-ing perfect
I ought not to have been theorising you ought not to have been theorising she ought not to have been theorising we ought not to have been theorising you ought not to have been theorising they ought not to have been theorising
Interrogative form
Simple form
ought to I theorise? ought to you theorise? ought to she theorise? ought to we theorise? ought to you theorise? ought to they theorise?
V-ing form
ought to I be theorising? ought to you be theorising? ought to she be theorising? ought to we be theorising? ought to you be theorising? ought to they be theorising?
Perfect
ought to I have theorised? ought to you have theorised? ought to she have theorised? ought to we have theorised? ought to you have theorised? ought to they have theorised?
V-ing perfect
ought to I have been theorising? ought to you have been theorising? ought to she have been theorising? ought to we have been theorising? ought to you have been theorising? ought to they have been theorising?
Interro-negative form
Simple form
ought I not to theorise? ought you not to theorise? ought she not to theorise? ought we not to theorise? ought you not to theorise? ought they not to theorise?
V-ing form
ought I not to be theorising? ought you not to be theorising? ought she not to be theorising? ought we not to be theorising? ought you not to be theorising? ought they not to be theorising?
Perfect
ought I not to have theorised? ought you not to have theorised? ought she not to have theorised? ought we not to have theorised? ought you not to have theorised? ought they not to have theorised?
V-ing perfect
ought I not to have been theorising? ought you not to have been theorising? ought she not to have been theorising? ought we not to have been theorising? ought you not to have been theorising? ought they not to have been theorising?