Regular verb: derive - derived - derived
Simple form | V-ing form |
I ought to derive you ought to derive she ought to derive we ought to derive you ought to derive they ought to derive | I ought to be deriving you ought to be deriving she ought to be deriving we ought to be deriving you ought to be deriving they ought to be deriving |
Perfect | V-ing perfect |
I ought to have derived you ought to have derived she ought to have derived we ought to have derived you ought to have derived they ought to have derived | I ought to have been deriving you ought to have been deriving she ought to have been deriving we ought to have been deriving you ought to have been deriving they ought to have been deriving |
Simple form | V-ing form |
I ought not to derive you ought not to derive she ought not to derive we ought not to derive you ought not to derive they ought not to derive | I ought not to deriving you ought not to deriving she ought not to deriving we ought not to deriving you ought not to deriving they ought not to deriving |
Perfect | V-ing perfect |
I ought not to have derived you ought not to have derived she ought not to have derived we ought not to have derived you ought not to have derived they ought not to have derived | I ought not to have been deriving you ought not to have been deriving she ought not to have been deriving we ought not to have been deriving you ought not to have been deriving they ought not to have been deriving |
Simple form | V-ing form |
ought to I derive? ought to you derive? ought to she derive? ought to we derive? ought to you derive? ought to they derive? | ought to I be deriving? ought to you be deriving? ought to she be deriving? ought to we be deriving? ought to you be deriving? ought to they be deriving? |
Perfect | V-ing perfect |
ought to I have derived? ought to you have derived? ought to she have derived? ought to we have derived? ought to you have derived? ought to they have derived? | ought to I have been deriving? ought to you have been deriving? ought to she have been deriving? ought to we have been deriving? ought to you have been deriving? ought to they have been deriving? |
Simple form | V-ing form |
ought I not to derive? ought you not to derive? ought she not to derive? ought we not to derive? ought you not to derive? ought they not to derive? | ought I not to be deriving? ought you not to be deriving? ought she not to be deriving? ought we not to be deriving? ought you not to be deriving? ought they not to be deriving? |
Perfect | V-ing perfect |
ought I not to have derived? ought you not to have derived? ought she not to have derived? ought we not to have derived? ought you not to have derived? ought they not to have derived? | ought I not to have been deriving? ought you not to have been deriving? ought she not to have been deriving? ought we not to have been deriving? ought you not to have been deriving? ought they not to have been deriving? |