I can massage you can massage he can massage we can massage you can massage they can massage
V-ing form
I can be massaging you can be massaging he can be massaging we can be massaging you can be massaging they can be massaging
Perfect
I can have massaged you can have massaged he can have massaged we can have massaged you can have massaged they can have massaged
V-ing perfect
I can have been massaging you can have been massaging he can have been massaging we can have been massaging you can have been massaging they can have been massaging
Negation
Simple form
I cannot massage you cannot massage he cannot massage we cannot massage you cannot massage they cannot massage
V-ing form
I cannot be massaging you cannot be massaging he cannot be massaging we cannot be massaging you cannot be massaging they cannot be massaging
Perfect
I cannot have massaged you cannot have massaged he cannot have massaged we cannot have massaged you cannot have massaged they cannot have massaged
V-ing perfect
I cannot have been massaging you cannot have been massaging he cannot have been massaging we cannot have been massaging you cannot have been massaging they cannot have been massaging
Interrogative form
Simple form
can I massage? can you massage? can he massage? can we massage? can you massage? can they massage?
V-ing form
can I be massaging? can you be massaging? can he be massaging? can we be massaging? can you be massaging? can they be massaging?
Perfect
can I have massaged? can you have massaged? can he have massaged? can we have massaged? can you have massaged? can they have massaged?
V-ing perfect
can I have been massaging? can you have been massaging? can he have been massaging? can we have been massaging? can you have been massaging? can they have been massaging?
Interro-negative form
Simple form
can I not massage? can you not massage? can he not massage? can we not massage? can you not massage? can they not massage?
V-ing form
can I not be massaging? can you not be massaging? can he not be massaging? can we not be massaging? can you not be massaging? can they not be massaging?
Perfect
can I not have massaged? can you not have massaged? can he not have massaged? can we not have massaged? can you not have massaged? can they not have massaged?
V-ing perfect
can I not have been massaging? can you not have been massaging? can he not have been massaging? can we not have been massaging? can you not have been massaging? can they not have been massaging?