I can fantasise you can fantasise he can fantasise we can fantasise you can fantasise they can fantasise
V-ing form
I can be fantasising you can be fantasising he can be fantasising we can be fantasising you can be fantasising they can be fantasising
Perfect
I can have fantasised you can have fantasised he can have fantasised we can have fantasised you can have fantasised they can have fantasised
V-ing perfect
I can have been fantasising you can have been fantasising he can have been fantasising we can have been fantasising you can have been fantasising they can have been fantasising
Negation
Simple form
I cannot fantasise you cannot fantasise he cannot fantasise we cannot fantasise you cannot fantasise they cannot fantasise
V-ing form
I cannot be fantasising you cannot be fantasising he cannot be fantasising we cannot be fantasising you cannot be fantasising they cannot be fantasising
Perfect
I cannot have fantasised you cannot have fantasised he cannot have fantasised we cannot have fantasised you cannot have fantasised they cannot have fantasised
V-ing perfect
I cannot have been fantasising you cannot have been fantasising he cannot have been fantasising we cannot have been fantasising you cannot have been fantasising they cannot have been fantasising
Interrogative form
Simple form
can I fantasise? can you fantasise? can he fantasise? can we fantasise? can you fantasise? can they fantasise?
V-ing form
can I be fantasising? can you be fantasising? can he be fantasising? can we be fantasising? can you be fantasising? can they be fantasising?
Perfect
can I have fantasised? can you have fantasised? can he have fantasised? can we have fantasised? can you have fantasised? can they have fantasised?
V-ing perfect
can I have been fantasising? can you have been fantasising? can he have been fantasising? can we have been fantasising? can you have been fantasising? can they have been fantasising?
Interro-negative form
Simple form
can I not fantasise? can you not fantasise? can he not fantasise? can we not fantasise? can you not fantasise? can they not fantasise?
V-ing form
can I not be fantasising? can you not be fantasising? can he not be fantasising? can we not be fantasising? can you not be fantasising? can they not be fantasising?
Perfect
can I not have fantasised? can you not have fantasised? can he not have fantasised? can we not have fantasised? can you not have fantasised? can they not have fantasised?
V-ing perfect
can I not have been fantasising? can you not have been fantasising? can he not have been fantasising? can we not have been fantasising? can you not have been fantasising? can they not have been fantasising?