Regular verb: blacken - blackened - blackened
Simple form | V-ing form |
I ought to blacken you ought to blacken she ought to blacken we ought to blacken you ought to blacken they ought to blacken | I ought to be blackening you ought to be blackening she ought to be blackening we ought to be blackening you ought to be blackening they ought to be blackening |
Perfect | V-ing perfect |
I ought to have blackened you ought to have blackened she ought to have blackened we ought to have blackened you ought to have blackened they ought to have blackened | I ought to have been blackening you ought to have been blackening she ought to have been blackening we ought to have been blackening you ought to have been blackening they ought to have been blackening |
Simple form | V-ing form |
I ought not to blacken you ought not to blacken she ought not to blacken we ought not to blacken you ought not to blacken they ought not to blacken | I ought not to blackening you ought not to blackening she ought not to blackening we ought not to blackening you ought not to blackening they ought not to blackening |
Perfect | V-ing perfect |
I ought not to have blackened you ought not to have blackened she ought not to have blackened we ought not to have blackened you ought not to have blackened they ought not to have blackened | I ought not to have been blackening you ought not to have been blackening she ought not to have been blackening we ought not to have been blackening you ought not to have been blackening they ought not to have been blackening |
Simple form | V-ing form |
ought to I blacken? ought to you blacken? ought to she blacken? ought to we blacken? ought to you blacken? ought to they blacken? | ought to I be blackening? ought to you be blackening? ought to she be blackening? ought to we be blackening? ought to you be blackening? ought to they be blackening? |
Perfect | V-ing perfect |
ought to I have blackened? ought to you have blackened? ought to she have blackened? ought to we have blackened? ought to you have blackened? ought to they have blackened? | ought to I have been blackening? ought to you have been blackening? ought to she have been blackening? ought to we have been blackening? ought to you have been blackening? ought to they have been blackening? |
Simple form | V-ing form |
ought I not to blacken? ought you not to blacken? ought she not to blacken? ought we not to blacken? ought you not to blacken? ought they not to blacken? | ought I not to be blackening? ought you not to be blackening? ought she not to be blackening? ought we not to be blackening? ought you not to be blackening? ought they not to be blackening? |
Perfect | V-ing perfect |
ought I not to have blackened? ought you not to have blackened? ought she not to have blackened? ought we not to have blackened? ought you not to have blackened? ought they not to have blackened? | ought I not to have been blackening? ought you not to have been blackening? ought she not to have been blackening? ought we not to have been blackening? ought you not to have been blackening? ought they not to have been blackening? |