I can love you can love he can love we can love you can love they can love
V-ing form
I can be loving you can be loving he can be loving we can be loving you can be loving they can be loving
Perfect
I can have loved you can have loved he can have loved we can have loved you can have loved they can have loved
V-ing perfect
I can have been loving you can have been loving he can have been loving we can have been loving you can have been loving they can have been loving
Negation
Simple form
I cannot love you cannot love he cannot love we cannot love you cannot love they cannot love
V-ing form
I cannot be loving you cannot be loving he cannot be loving we cannot be loving you cannot be loving they cannot be loving
Perfect
I cannot have loved you cannot have loved he cannot have loved we cannot have loved you cannot have loved they cannot have loved
V-ing perfect
I cannot have been loving you cannot have been loving he cannot have been loving we cannot have been loving you cannot have been loving they cannot have been loving
Interrogative form
Simple form
can I love? can you love? can he love? can we love? can you love? can they love?
V-ing form
can I be loving? can you be loving? can he be loving? can we be loving? can you be loving? can they be loving?
Perfect
can I have loved? can you have loved? can he have loved? can we have loved? can you have loved? can they have loved?
V-ing perfect
can I have been loving? can you have been loving? can he have been loving? can we have been loving? can you have been loving? can they have been loving?
Interro-negative form
Simple form
can I not love? can you not love? can he not love? can we not love? can you not love? can they not love?
V-ing form
can I not be loving? can you not be loving? can he not be loving? can we not be loving? can you not be loving? can they not be loving?
Perfect
can I not have loved? can you not have loved? can he not have loved? can we not have loved? can you not have loved? can they not have loved?
V-ing perfect
can I not have been loving? can you not have been loving? can he not have been loving? can we not have been loving? can you not have been loving? can they not have been loving?