I can fund you can fund he can fund we can fund you can fund they can fund
V-ing form
I can be funding you can be funding he can be funding we can be funding you can be funding they can be funding
Perfect
I can have funded you can have funded he can have funded we can have funded you can have funded they can have funded
V-ing perfect
I can have been funding you can have been funding he can have been funding we can have been funding you can have been funding they can have been funding
Negation
Simple form
I cannot fund you cannot fund he cannot fund we cannot fund you cannot fund they cannot fund
V-ing form
I cannot be funding you cannot be funding he cannot be funding we cannot be funding you cannot be funding they cannot be funding
Perfect
I cannot have funded you cannot have funded he cannot have funded we cannot have funded you cannot have funded they cannot have funded
V-ing perfect
I cannot have been funding you cannot have been funding he cannot have been funding we cannot have been funding you cannot have been funding they cannot have been funding
Interrogative form
Simple form
can I fund? can you fund? can he fund? can we fund? can you fund? can they fund?
V-ing form
can I be funding? can you be funding? can he be funding? can we be funding? can you be funding? can they be funding?
Perfect
can I have funded? can you have funded? can he have funded? can we have funded? can you have funded? can they have funded?
V-ing perfect
can I have been funding? can you have been funding? can he have been funding? can we have been funding? can you have been funding? can they have been funding?
Interro-negative form
Simple form
can I not fund? can you not fund? can he not fund? can we not fund? can you not fund? can they not fund?
V-ing form
can I not be funding? can you not be funding? can he not be funding? can we not be funding? can you not be funding? can they not be funding?
Perfect
can I not have funded? can you not have funded? can he not have funded? can we not have funded? can you not have funded? can they not have funded?
V-ing perfect
can I not have been funding? can you not have been funding? can he not have been funding? can we not have been funding? can you not have been funding? can they not have been funding?