I ought to gasify you ought to gasify he ought to gasify we ought to gasify you ought to gasify they ought to gasify
V-ing form
I ought to be gasifying you ought to be gasifying he ought to be gasifying we ought to be gasifying you ought to be gasifying they ought to be gasifying
Perfect
I ought to have gasified you ought to have gasified he ought to have gasified we ought to have gasified you ought to have gasified they ought to have gasified
V-ing perfect
I ought to have been gasifying you ought to have been gasifying he ought to have been gasifying we ought to have been gasifying you ought to have been gasifying they ought to have been gasifying
Negation
Simple form
I ought not to gasify you ought not to gasify he ought not to gasify we ought not to gasify you ought not to gasify they ought not to gasify
V-ing form
I ought not to gasifying you ought not to gasifying he ought not to gasifying we ought not to gasifying you ought not to gasifying they ought not to gasifying
Perfect
I ought not to have gasified you ought not to have gasified he ought not to have gasified we ought not to have gasified you ought not to have gasified they ought not to have gasified
V-ing perfect
I ought not to have been gasifying you ought not to have been gasifying he ought not to have been gasifying we ought not to have been gasifying you ought not to have been gasifying they ought not to have been gasifying
Interrogative form
Simple form
ought to I gasify? ought to you gasify? ought to he gasify? ought to we gasify? ought to you gasify? ought to they gasify?
V-ing form
ought to I be gasifying? ought to you be gasifying? ought to he be gasifying? ought to we be gasifying? ought to you be gasifying? ought to they be gasifying?
Perfect
ought to I have gasified? ought to you have gasified? ought to he have gasified? ought to we have gasified? ought to you have gasified? ought to they have gasified?
V-ing perfect
ought to I have been gasifying? ought to you have been gasifying? ought to he have been gasifying? ought to we have been gasifying? ought to you have been gasifying? ought to they have been gasifying?
Interro-negative form
Simple form
ought I not to gasify? ought you not to gasify? ought he not to gasify? ought we not to gasify? ought you not to gasify? ought they not to gasify?
V-ing form
ought I not to be gasifying? ought you not to be gasifying? ought he not to be gasifying? ought we not to be gasifying? ought you not to be gasifying? ought they not to be gasifying?
Perfect
ought I not to have gasified? ought you not to have gasified? ought he not to have gasified? ought we not to have gasified? ought you not to have gasified? ought they not to have gasified?
V-ing perfect
ought I not to have been gasifying? ought you not to have been gasifying? ought he not to have been gasifying? ought we not to have been gasifying? ought you not to have been gasifying? ought they not to have been gasifying?