I can formulise you can formulise she can formulise we can formulise you can formulise they can formulise
V-ing form
I can be formulising you can be formulising she can be formulising we can be formulising you can be formulising they can be formulising
Perfect
I can have formulised you can have formulised she can have formulised we can have formulised you can have formulised they can have formulised
V-ing perfect
I can have been formulising you can have been formulising she can have been formulising we can have been formulising you can have been formulising they can have been formulising
Negation
Simple form
I can't formulise you can't formulise she can't formulise we can't formulise you can't formulise they can't formulise
V-ing form
I can't be formulising you can't be formulising she can't be formulising we can't be formulising you can't be formulising they can't be formulising
Perfect
I can't have formulised you can't have formulised she can't have formulised we can't have formulised you can't have formulised they can't have formulised
V-ing perfect
I can't have been formulising you can't have been formulising she can't have been formulising we can't have been formulising you can't have been formulising they can't have been formulising
Interrogative form
Simple form
can I formulise? can you formulise? can she formulise? can we formulise? can you formulise? can they formulise?
V-ing form
can I be formulising? can you be formulising? can she be formulising? can we be formulising? can you be formulising? can they be formulising?
Perfect
can I have formulised? can you have formulised? can she have formulised? can we have formulised? can you have formulised? can they have formulised?
V-ing perfect
can I have been formulising? can you have been formulising? can she have been formulising? can we have been formulising? can you have been formulising? can they have been formulising?
Interro-negative form
Simple form
can't I formulise? can't you formulise? can't she formulise? can't we formulise? can't you formulise? can't they formulise?
V-ing form
can't I be formulising? can't you be formulising? can't she be formulising? can't we be formulising? can't you be formulising? can't they be formulising?
Perfect
can't I have formulised? can't you have formulised? can't she have formulised? can't we have formulised? can't you have formulised? can't they have formulised?
V-ing perfect
can't I have been formulising? can't you have been formulising? can't she have been formulising? can't we have been formulising? can't you have been formulising? can't they have been formulising?