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 can't love you can't love he can't love we can't love you can't love they can't love
V-ing form
I can't be loving you can't be loving he can't be loving we can't be loving you can't be loving they can't be loving
Perfect
I can't have loved you can't have loved he can't have loved we can't have loved you can't have loved they can't have loved
V-ing perfect
I can't have been loving you can't have been loving he can't have been loving we can't have been loving you can't have been loving they can't 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't I love? can't you love? can't he love? can't we love? can't you love? can't they love?
V-ing form
can't I be loving? can't you be loving? can't he be loving? can't we be loving? can't you be loving? can't they be loving?
Perfect
can't I have loved? can't you have loved? can't he have loved? can't we have loved? can't you have loved? can't they have loved?
V-ing perfect
can't I have been loving? can't you have been loving? can't he have been loving? can't we have been loving? can't you have been loving? can't they have been loving?