Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I could withdraw. retire you could withdraw. retire he could withdraw. retire we could withdraw. retire you could withdraw. retire they could withdraw. retire
V-ing form
I could be withdraw. retiring you could be withdraw. retiring he could be withdraw. retiring we could be withdraw. retiring you could be withdraw. retiring they could be withdraw. retiring
Perfect
I could have withdraw. retired you could have withdraw. retired he could have withdraw. retired we could have withdraw. retired you could have withdraw. retired they could have withdraw. retired
V-ing perfect
I could have been withdraw. retiring you could have been withdraw. retiring he could have been withdraw. retiring we could have been withdraw. retiring you could have been withdraw. retiring they could have been withdraw. retiring
Negation
Simple form
I couldn't withdraw. retire you couldn't withdraw. retire he couldn't withdraw. retire we couldn't withdraw. retire you couldn't withdraw. retire they couldn't withdraw. retire
V-ing form
I couldn't be withdraw. retiring you couldn't be withdraw. retiring he couldn't be withdraw. retiring we couldn't be withdraw. retiring you couldn't be withdraw. retiring they couldn't be withdraw. retiring
Perfect
I couldn't have withdraw. retired you couldn't have withdraw. retired he couldn't have withdraw. retired we couldn't have withdraw. retired you couldn't have withdraw. retired they couldn't have withdraw. retired
V-ing perfect
I couldn't have been withdraw. retiring you couldn't have been withdraw. retiring he couldn't have been withdraw. retiring we couldn't have been withdraw. retiring you couldn't have been withdraw. retiring they couldn't have been withdraw. retiring
Interrogative form
Simple form
could I withdraw. retire? could you withdraw. retire? could he withdraw. retire? could we withdraw. retire? could you withdraw. retire? could they withdraw. retire?
V-ing form
could I be withdraw. retiring? could you be withdraw. retiring? could he be withdraw. retiring? could we be withdraw. retiring? could you be withdraw. retiring? could they be withdraw. retiring?
Perfect
could I have withdraw. retired? could you have withdraw. retired? could he have withdraw. retired? could we have withdraw. retired? could you have withdraw. retired? could they have withdraw. retired?
V-ing perfect
could I have been withdraw. retiring? could you have been withdraw. retiring? could he have been withdraw. retiring? could we have been withdraw. retiring? could you have been withdraw. retiring? could they have been withdraw. retiring?
Interro-negative form
Simple form
couldn't I withdraw. retire? couldn't you withdraw. retire? couldn't he withdraw. retire? couldn't we withdraw. retire? couldn't you withdraw. retire? couldn't they withdraw. retire?
V-ing form
couldn't I be withdraw. retiring? couldn't you be withdraw. retiring? couldn't he be withdraw. retiring? couldn't we be withdraw. retiring? couldn't you be withdraw. retiring? couldn't they be withdraw. retiring?
Perfect
couldn't I have withdraw. retired? couldn't you have withdraw. retired? couldn't he have withdraw. retired? couldn't we have withdraw. retired? couldn't you have withdraw. retired? couldn't they have withdraw. retired?
V-ing perfect
couldn't I have been withdraw. retiring? couldn't you have been withdraw. retiring? couldn't he have been withdraw. retiring? couldn't we have been withdraw. retiring? couldn't you have been withdraw. retiring? couldn't they have been withdraw. retiring?