I can shuffle you can shuffle he can shuffle we can shuffle you can shuffle they can shuffle
V-ing form
I can be shuffling you can be shuffling he can be shuffling we can be shuffling you can be shuffling they can be shuffling
Perfect
I can have shuffled you can have shuffled he can have shuffled we can have shuffled you can have shuffled they can have shuffled
V-ing perfect
I can have been shuffling you can have been shuffling he can have been shuffling we can have been shuffling you can have been shuffling they can have been shuffling
Negation
Simple form
I cannot shuffle you cannot shuffle he cannot shuffle we cannot shuffle you cannot shuffle they cannot shuffle
V-ing form
I cannot be shuffling you cannot be shuffling he cannot be shuffling we cannot be shuffling you cannot be shuffling they cannot be shuffling
Perfect
I cannot have shuffled you cannot have shuffled he cannot have shuffled we cannot have shuffled you cannot have shuffled they cannot have shuffled
V-ing perfect
I cannot have been shuffling you cannot have been shuffling he cannot have been shuffling we cannot have been shuffling you cannot have been shuffling they cannot have been shuffling
Interrogative form
Simple form
can I shuffle? can you shuffle? can he shuffle? can we shuffle? can you shuffle? can they shuffle?
V-ing form
can I be shuffling? can you be shuffling? can he be shuffling? can we be shuffling? can you be shuffling? can they be shuffling?
Perfect
can I have shuffled? can you have shuffled? can he have shuffled? can we have shuffled? can you have shuffled? can they have shuffled?
V-ing perfect
can I have been shuffling? can you have been shuffling? can he have been shuffling? can we have been shuffling? can you have been shuffling? can they have been shuffling?
Interro-negative form
Simple form
can I not shuffle? can you not shuffle? can he not shuffle? can we not shuffle? can you not shuffle? can they not shuffle?
V-ing form
can I not be shuffling? can you not be shuffling? can he not be shuffling? can we not be shuffling? can you not be shuffling? can they not be shuffling?
Perfect
can I not have shuffled? can you not have shuffled? can he not have shuffled? can we not have shuffled? can you not have shuffled? can they not have shuffled?
V-ing perfect
can I not have been shuffling? can you not have been shuffling? can he not have been shuffling? can we not have been shuffling? can you not have been shuffling? can they not have been shuffling?