I can enlist you can enlist she can enlist we can enlist you can enlist they can enlist
V-ing form
I can be enlisting you can be enlisting she can be enlisting we can be enlisting you can be enlisting they can be enlisting
Perfect
I can have enlisted you can have enlisted she can have enlisted we can have enlisted you can have enlisted they can have enlisted
V-ing perfect
I can have been enlisting you can have been enlisting she can have been enlisting we can have been enlisting you can have been enlisting they can have been enlisting
Negation
Simple form
I cannot enlist you cannot enlist she cannot enlist we cannot enlist you cannot enlist they cannot enlist
V-ing form
I cannot be enlisting you cannot be enlisting she cannot be enlisting we cannot be enlisting you cannot be enlisting they cannot be enlisting
Perfect
I cannot have enlisted you cannot have enlisted she cannot have enlisted we cannot have enlisted you cannot have enlisted they cannot have enlisted
V-ing perfect
I cannot have been enlisting you cannot have been enlisting she cannot have been enlisting we cannot have been enlisting you cannot have been enlisting they cannot have been enlisting
Interrogative form
Simple form
can I enlist? can you enlist? can she enlist? can we enlist? can you enlist? can they enlist?
V-ing form
can I be enlisting? can you be enlisting? can she be enlisting? can we be enlisting? can you be enlisting? can they be enlisting?
Perfect
can I have enlisted? can you have enlisted? can she have enlisted? can we have enlisted? can you have enlisted? can they have enlisted?
V-ing perfect
can I have been enlisting? can you have been enlisting? can she have been enlisting? can we have been enlisting? can you have been enlisting? can they have been enlisting?
Interro-negative form
Simple form
can I not enlist? can you not enlist? can she not enlist? can we not enlist? can you not enlist? can they not enlist?
V-ing form
can I not be enlisting? can you not be enlisting? can she not be enlisting? can we not be enlisting? can you not be enlisting? can they not be enlisting?
Perfect
can I not have enlisted? can you not have enlisted? can she not have enlisted? can we not have enlisted? can you not have enlisted? can they not have enlisted?
V-ing perfect
can I not have been enlisting? can you not have been enlisting? can she not have been enlisting? can we not have been enlisting? can you not have been enlisting? can they not have been enlisting?