I could provide you could provide she could provide we could provide you could provide they could provide
V-ing form
I could be providing you could be providing she could be providing we could be providing you could be providing they could be providing
Perfect
I could have provided you could have provided she could have provided we could have provided you could have provided they could have provided
V-ing perfect
I could have been providing you could have been providing she could have been providing we could have been providing you could have been providing they could have been providing
Negation
Simple form
I couldn't provide you couldn't provide she couldn't provide we couldn't provide you couldn't provide they couldn't provide
V-ing form
I couldn't be providing you couldn't be providing she couldn't be providing we couldn't be providing you couldn't be providing they couldn't be providing
Perfect
I couldn't have provided you couldn't have provided she couldn't have provided we couldn't have provided you couldn't have provided they couldn't have provided
V-ing perfect
I couldn't have been providing you couldn't have been providing she couldn't have been providing we couldn't have been providing you couldn't have been providing they couldn't have been providing
Interrogative form
Simple form
could I provide? could you provide? could she provide? could we provide? could you provide? could they provide?
V-ing form
could I be providing? could you be providing? could she be providing? could we be providing? could you be providing? could they be providing?
Perfect
could I have provided? could you have provided? could she have provided? could we have provided? could you have provided? could they have provided?
V-ing perfect
could I have been providing? could you have been providing? could she have been providing? could we have been providing? could you have been providing? could they have been providing?
Interro-negative form
Simple form
couldn't I provide? couldn't you provide? couldn't she provide? couldn't we provide? couldn't you provide? couldn't they provide?
V-ing form
couldn't I be providing? couldn't you be providing? couldn't she be providing? couldn't we be providing? couldn't you be providing? couldn't they be providing?
Perfect
couldn't I have provided? couldn't you have provided? couldn't she have provided? couldn't we have provided? couldn't you have provided? couldn't they have provided?
V-ing perfect
couldn't I have been providing? couldn't you have been providing? couldn't she have been providing? couldn't we have been providing? couldn't you have been providing? couldn't they have been providing?