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