I can compile you can compile she can compile we can compile you can compile they can compile
V-ing form
I can be compiling you can be compiling she can be compiling we can be compiling you can be compiling they can be compiling
Perfect
I can have compiled you can have compiled she can have compiled we can have compiled you can have compiled they can have compiled
V-ing perfect
I can have been compiling you can have been compiling she can have been compiling we can have been compiling you can have been compiling they can have been compiling
Negation
Simple form
I cannot compile you cannot compile she cannot compile we cannot compile you cannot compile they cannot compile
V-ing form
I cannot be compiling you cannot be compiling she cannot be compiling we cannot be compiling you cannot be compiling they cannot be compiling
Perfect
I cannot have compiled you cannot have compiled she cannot have compiled we cannot have compiled you cannot have compiled they cannot have compiled
V-ing perfect
I cannot have been compiling you cannot have been compiling she cannot have been compiling we cannot have been compiling you cannot have been compiling they cannot have been compiling
Interrogative form
Simple form
can I compile? can you compile? can she compile? can we compile? can you compile? can they compile?
V-ing form
can I be compiling? can you be compiling? can she be compiling? can we be compiling? can you be compiling? can they be compiling?
Perfect
can I have compiled? can you have compiled? can she have compiled? can we have compiled? can you have compiled? can they have compiled?
V-ing perfect
can I have been compiling? can you have been compiling? can she have been compiling? can we have been compiling? can you have been compiling? can they have been compiling?
Interro-negative form
Simple form
can I not compile? can you not compile? can she not compile? can we not compile? can you not compile? can they not compile?
V-ing form
can I not be compiling? can you not be compiling? can she not be compiling? can we not be compiling? can you not be compiling? can they not be compiling?
Perfect
can I not have compiled? can you not have compiled? can she not have compiled? can we not have compiled? can you not have compiled? can they not have compiled?
V-ing perfect
can I not have been compiling? can you not have been compiling? can she not have been compiling? can we not have been compiling? can you not have been compiling? can they not have been compiling?