I can raise you can raise he can raise we can raise you can raise they can raise
V-ing form
I can be raising you can be raising he can be raising we can be raising you can be raising they can be raising
Perfect
I can have raised you can have raised he can have raised we can have raised you can have raised they can have raised
V-ing perfect
I can have been raising you can have been raising he can have been raising we can have been raising you can have been raising they can have been raising
Negation
Simple form
I can't raise you can't raise he can't raise we can't raise you can't raise they can't raise
V-ing form
I can't be raising you can't be raising he can't be raising we can't be raising you can't be raising they can't be raising
Perfect
I can't have raised you can't have raised he can't have raised we can't have raised you can't have raised they can't have raised
V-ing perfect
I can't have been raising you can't have been raising he can't have been raising we can't have been raising you can't have been raising they can't have been raising
Interrogative form
Simple form
can I raise? can you raise? can he raise? can we raise? can you raise? can they raise?
V-ing form
can I be raising? can you be raising? can he be raising? can we be raising? can you be raising? can they be raising?
Perfect
can I have raised? can you have raised? can he have raised? can we have raised? can you have raised? can they have raised?
V-ing perfect
can I have been raising? can you have been raising? can he have been raising? can we have been raising? can you have been raising? can they have been raising?
Interro-negative form
Simple form
can't I raise? can't you raise? can't he raise? can't we raise? can't you raise? can't they raise?
V-ing form
can't I be raising? can't you be raising? can't he be raising? can't we be raising? can't you be raising? can't they be raising?
Perfect
can't I have raised? can't you have raised? can't he have raised? can't we have raised? can't you have raised? can't they have raised?
V-ing perfect
can't I have been raising? can't you have been raising? can't he have been raising? can't we have been raising? can't you have been raising? can't they have been raising?