I could recrudesce you could recrudesce he could recrudesce we could recrudesce you could recrudesce they could recrudesce
V-ing form
I could be recrudescing you could be recrudescing he could be recrudescing we could be recrudescing you could be recrudescing they could be recrudescing
Perfect
I could have recrudesced you could have recrudesced he could have recrudesced we could have recrudesced you could have recrudesced they could have recrudesced
V-ing perfect
I could have been recrudescing you could have been recrudescing he could have been recrudescing we could have been recrudescing you could have been recrudescing they could have been recrudescing
Negation
Simple form
I couldn't recrudesce you couldn't recrudesce he couldn't recrudesce we couldn't recrudesce you couldn't recrudesce they couldn't recrudesce
V-ing form
I couldn't be recrudescing you couldn't be recrudescing he couldn't be recrudescing we couldn't be recrudescing you couldn't be recrudescing they couldn't be recrudescing
Perfect
I couldn't have recrudesced you couldn't have recrudesced he couldn't have recrudesced we couldn't have recrudesced you couldn't have recrudesced they couldn't have recrudesced
V-ing perfect
I couldn't have been recrudescing you couldn't have been recrudescing he couldn't have been recrudescing we couldn't have been recrudescing you couldn't have been recrudescing they couldn't have been recrudescing
Interrogative form
Simple form
could I recrudesce? could you recrudesce? could he recrudesce? could we recrudesce? could you recrudesce? could they recrudesce?
V-ing form
could I be recrudescing? could you be recrudescing? could he be recrudescing? could we be recrudescing? could you be recrudescing? could they be recrudescing?
Perfect
could I have recrudesced? could you have recrudesced? could he have recrudesced? could we have recrudesced? could you have recrudesced? could they have recrudesced?
V-ing perfect
could I have been recrudescing? could you have been recrudescing? could he have been recrudescing? could we have been recrudescing? could you have been recrudescing? could they have been recrudescing?
Interro-negative form
Simple form
couldn't I recrudesce? couldn't you recrudesce? couldn't he recrudesce? couldn't we recrudesce? couldn't you recrudesce? couldn't they recrudesce?
V-ing form
couldn't I be recrudescing? couldn't you be recrudescing? couldn't he be recrudescing? couldn't we be recrudescing? couldn't you be recrudescing? couldn't they be recrudescing?
Perfect
couldn't I have recrudesced? couldn't you have recrudesced? couldn't he have recrudesced? couldn't we have recrudesced? couldn't you have recrudesced? couldn't they have recrudesced?
V-ing perfect
couldn't I have been recrudescing? couldn't you have been recrudescing? couldn't he have been recrudescing? couldn't we have been recrudescing? couldn't you have been recrudescing? couldn't they have been recrudescing?