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