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 can't fund you can't fund he can't fund we can't fund you can't fund they can't fund
V-ing form
I can't be funding you can't be funding he can't be funding we can't be funding you can't be funding they can't be funding
Perfect
I can't have funded you can't have funded he can't have funded we can't have funded you can't have funded they can't have funded
V-ing perfect
I can't have been funding you can't have been funding he can't have been funding we can't have been funding you can't have been funding they can't 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't I fund? can't you fund? can't he fund? can't we fund? can't you fund? can't they fund?
V-ing form
can't I be funding? can't you be funding? can't he be funding? can't we be funding? can't you be funding? can't they be funding?
Perfect
can't I have funded? can't you have funded? can't he have funded? can't we have funded? can't you have funded? can't they have funded?
V-ing perfect
can't I have been funding? can't you have been funding? can't he have been funding? can't we have been funding? can't you have been funding? can't they have been funding?