I ought to drain you ought to drain he ought to drain we ought to drain you ought to drain they ought to drain
V-ing form
I ought to be draining you ought to be draining he ought to be draining we ought to be draining you ought to be draining they ought to be draining
Perfect
I ought to have drained you ought to have drained he ought to have drained we ought to have drained you ought to have drained they ought to have drained
V-ing perfect
I ought to have been draining you ought to have been draining he ought to have been draining we ought to have been draining you ought to have been draining they ought to have been draining
Negation
Simple form
I ought not to drain you ought not to drain he ought not to drain we ought not to drain you ought not to drain they ought not to drain
V-ing form
I ought not to draining you ought not to draining he ought not to draining we ought not to draining you ought not to draining they ought not to draining
Perfect
I ought not to have drained you ought not to have drained he ought not to have drained we ought not to have drained you ought not to have drained they ought not to have drained
V-ing perfect
I ought not to have been draining you ought not to have been draining he ought not to have been draining we ought not to have been draining you ought not to have been draining they ought not to have been draining
Interrogative form
Simple form
ought to I drain? ought to you drain? ought to he drain? ought to we drain? ought to you drain? ought to they drain?
V-ing form
ought to I be draining? ought to you be draining? ought to he be draining? ought to we be draining? ought to you be draining? ought to they be draining?
Perfect
ought to I have drained? ought to you have drained? ought to he have drained? ought to we have drained? ought to you have drained? ought to they have drained?
V-ing perfect
ought to I have been draining? ought to you have been draining? ought to he have been draining? ought to we have been draining? ought to you have been draining? ought to they have been draining?
Interro-negative form
Simple form
ought I not to drain? ought you not to drain? ought he not to drain? ought we not to drain? ought you not to drain? ought they not to drain?
V-ing form
ought I not to be draining? ought you not to be draining? ought he not to be draining? ought we not to be draining? ought you not to be draining? ought they not to be draining?
Perfect
ought I not to have drained? ought you not to have drained? ought he not to have drained? ought we not to have drained? ought you not to have drained? ought they not to have drained?
V-ing perfect
ought I not to have been draining? ought you not to have been draining? ought he not to have been draining? ought we not to have been draining? ought you not to have been draining? ought they not to have been draining?