I can whirl you can whirl he can whirl we can whirl you can whirl they can whirl
V-ing form
I can be whirling you can be whirling he can be whirling we can be whirling you can be whirling they can be whirling
Perfect
I can have whirled you can have whirled he can have whirled we can have whirled you can have whirled they can have whirled
V-ing perfect
I can have been whirling you can have been whirling he can have been whirling we can have been whirling you can have been whirling they can have been whirling
Negation
Simple form
I cannot whirl you cannot whirl he cannot whirl we cannot whirl you cannot whirl they cannot whirl
V-ing form
I cannot be whirling you cannot be whirling he cannot be whirling we cannot be whirling you cannot be whirling they cannot be whirling
Perfect
I cannot have whirled you cannot have whirled he cannot have whirled we cannot have whirled you cannot have whirled they cannot have whirled
V-ing perfect
I cannot have been whirling you cannot have been whirling he cannot have been whirling we cannot have been whirling you cannot have been whirling they cannot have been whirling
Interrogative form
Simple form
can I whirl? can you whirl? can he whirl? can we whirl? can you whirl? can they whirl?
V-ing form
can I be whirling? can you be whirling? can he be whirling? can we be whirling? can you be whirling? can they be whirling?
Perfect
can I have whirled? can you have whirled? can he have whirled? can we have whirled? can you have whirled? can they have whirled?
V-ing perfect
can I have been whirling? can you have been whirling? can he have been whirling? can we have been whirling? can you have been whirling? can they have been whirling?
Interro-negative form
Simple form
can I not whirl? can you not whirl? can he not whirl? can we not whirl? can you not whirl? can they not whirl?
V-ing form
can I not be whirling? can you not be whirling? can he not be whirling? can we not be whirling? can you not be whirling? can they not be whirling?
Perfect
can I not have whirled? can you not have whirled? can he not have whirled? can we not have whirled? can you not have whirled? can they not have whirled?
V-ing perfect
can I not have been whirling? can you not have been whirling? can he not have been whirling? can we not have been whirling? can you not have been whirling? can they not have been whirling?