I ought to cross-multiply you ought to cross-multiply he ought to cross-multiply we ought to cross-multiply you ought to cross-multiply they ought to cross-multiply
V-ing form
I ought to be cross-multiplying you ought to be cross-multiplying he ought to be cross-multiplying we ought to be cross-multiplying you ought to be cross-multiplying they ought to be cross-multiplying
Perfect
I ought to have cross-multiplied you ought to have cross-multiplied he ought to have cross-multiplied we ought to have cross-multiplied you ought to have cross-multiplied they ought to have cross-multiplied
V-ing perfect
I ought to have been cross-multiplying you ought to have been cross-multiplying he ought to have been cross-multiplying we ought to have been cross-multiplying you ought to have been cross-multiplying they ought to have been cross-multiplying
Negation
Simple form
I ought not to cross-multiply you ought not to cross-multiply he ought not to cross-multiply we ought not to cross-multiply you ought not to cross-multiply they ought not to cross-multiply
V-ing form
I ought not to cross-multiplying you ought not to cross-multiplying he ought not to cross-multiplying we ought not to cross-multiplying you ought not to cross-multiplying they ought not to cross-multiplying
Perfect
I ought not to have cross-multiplied you ought not to have cross-multiplied he ought not to have cross-multiplied we ought not to have cross-multiplied you ought not to have cross-multiplied they ought not to have cross-multiplied
V-ing perfect
I ought not to have been cross-multiplying you ought not to have been cross-multiplying he ought not to have been cross-multiplying we ought not to have been cross-multiplying you ought not to have been cross-multiplying they ought not to have been cross-multiplying
Interrogative form
Simple form
ought to I cross-multiply? ought to you cross-multiply? ought to he cross-multiply? ought to we cross-multiply? ought to you cross-multiply? ought to they cross-multiply?
V-ing form
ought to I be cross-multiplying? ought to you be cross-multiplying? ought to he be cross-multiplying? ought to we be cross-multiplying? ought to you be cross-multiplying? ought to they be cross-multiplying?
Perfect
ought to I have cross-multiplied? ought to you have cross-multiplied? ought to he have cross-multiplied? ought to we have cross-multiplied? ought to you have cross-multiplied? ought to they have cross-multiplied?
V-ing perfect
ought to I have been cross-multiplying? ought to you have been cross-multiplying? ought to he have been cross-multiplying? ought to we have been cross-multiplying? ought to you have been cross-multiplying? ought to they have been cross-multiplying?
Interro-negative form
Simple form
ought I not to cross-multiply? ought you not to cross-multiply? ought he not to cross-multiply? ought we not to cross-multiply? ought you not to cross-multiply? ought they not to cross-multiply?
V-ing form
ought I not to be cross-multiplying? ought you not to be cross-multiplying? ought he not to be cross-multiplying? ought we not to be cross-multiplying? ought you not to be cross-multiplying? ought they not to be cross-multiplying?
Perfect
ought I not to have cross-multiplied? ought you not to have cross-multiplied? ought he not to have cross-multiplied? ought we not to have cross-multiplied? ought you not to have cross-multiplied? ought they not to have cross-multiplied?
V-ing perfect
ought I not to have been cross-multiplying? ought you not to have been cross-multiplying? ought he not to have been cross-multiplying? ought we not to have been cross-multiplying? ought you not to have been cross-multiplying? ought they not to have been cross-multiplying?