I could provide you could provide he could provide we could provide you could provide they could provide
V-ing form
I could be providing you could be providing he could be providing we could be providing you could be providing they could be providing
Perfect
I could have provided you could have provided he 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 he could have been providing we could have been providing you could have been providing they could have been providing
Negation
Simple form
I could not provide you could not provide he could not provide we could not provide you could not provide they could not provide
V-ing form
I could not be providing you could not be providing he could not be providing we could not be providing you could not be providing they could not be providing
Perfect
I could not have provided you could not have provided he could not have provided we could not have provided you could not have provided they could not have provided
V-ing perfect
I could not have been providing you could not have been providing he could not have been providing we could not have been providing you could not have been providing they could not have been providing
Interrogative form
Simple form
could I provide? could you provide? could he provide? could we provide? could you provide? could they provide?
V-ing form
could I be providing? could you be providing? could he be providing? could we be providing? could you be providing? could they be providing?
Perfect
could I have provided? could you have provided? could he 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 he have been providing? could we have been providing? could you have been providing? could they have been providing?
Interro-negative form
Simple form
could I not provide? could you not provide? could he not provide? could we not provide? could you not provide? could they not provide?
V-ing form
could I not be providing? could you not be providing? could he not be providing? could we not be providing? could you not be providing? could they not be providing?
Perfect
could I not have provided? could you not have provided? could he not have provided? could we not have provided? could you not have provided? could they not have provided?
V-ing perfect
could I not have been providing? could you not have been providing? could he not have been providing? could we not have been providing? could you not have been providing? could they not have been providing?