I can rescue you can rescue he can rescue we can rescue you can rescue they can rescue
V-ing form
I can be rescuing you can be rescuing he can be rescuing we can be rescuing you can be rescuing they can be rescuing
Perfect
I can have rescued you can have rescued he can have rescued we can have rescued you can have rescued they can have rescued
V-ing perfect
I can have been rescuing you can have been rescuing he can have been rescuing we can have been rescuing you can have been rescuing they can have been rescuing
Negation
Simple form
I cannot rescue you cannot rescue he cannot rescue we cannot rescue you cannot rescue they cannot rescue
V-ing form
I cannot be rescuing you cannot be rescuing he cannot be rescuing we cannot be rescuing you cannot be rescuing they cannot be rescuing
Perfect
I cannot have rescued you cannot have rescued he cannot have rescued we cannot have rescued you cannot have rescued they cannot have rescued
V-ing perfect
I cannot have been rescuing you cannot have been rescuing he cannot have been rescuing we cannot have been rescuing you cannot have been rescuing they cannot have been rescuing
Interrogative form
Simple form
can I rescue? can you rescue? can he rescue? can we rescue? can you rescue? can they rescue?
V-ing form
can I be rescuing? can you be rescuing? can he be rescuing? can we be rescuing? can you be rescuing? can they be rescuing?
Perfect
can I have rescued? can you have rescued? can he have rescued? can we have rescued? can you have rescued? can they have rescued?
V-ing perfect
can I have been rescuing? can you have been rescuing? can he have been rescuing? can we have been rescuing? can you have been rescuing? can they have been rescuing?
Interro-negative form
Simple form
can I not rescue? can you not rescue? can he not rescue? can we not rescue? can you not rescue? can they not rescue?
V-ing form
can I not be rescuing? can you not be rescuing? can he not be rescuing? can we not be rescuing? can you not be rescuing? can they not be rescuing?
Perfect
can I not have rescued? can you not have rescued? can he not have rescued? can we not have rescued? can you not have rescued? can they not have rescued?
V-ing perfect
can I not have been rescuing? can you not have been rescuing? can he not have been rescuing? can we not have been rescuing? can you not have been rescuing? can they not have been rescuing?