I can addle you can addle he can addle we can addle you can addle they can addle
V-ing form
I can be addling you can be addling he can be addling we can be addling you can be addling they can be addling
Perfect
I can have addled you can have addled he can have addled we can have addled you can have addled they can have addled
V-ing perfect
I can have been addling you can have been addling he can have been addling we can have been addling you can have been addling they can have been addling
Negation
Simple form
I cannot addle you cannot addle he cannot addle we cannot addle you cannot addle they cannot addle
V-ing form
I cannot be addling you cannot be addling he cannot be addling we cannot be addling you cannot be addling they cannot be addling
Perfect
I cannot have addled you cannot have addled he cannot have addled we cannot have addled you cannot have addled they cannot have addled
V-ing perfect
I cannot have been addling you cannot have been addling he cannot have been addling we cannot have been addling you cannot have been addling they cannot have been addling
Interrogative form
Simple form
can I addle? can you addle? can he addle? can we addle? can you addle? can they addle?
V-ing form
can I be addling? can you be addling? can he be addling? can we be addling? can you be addling? can they be addling?
Perfect
can I have addled? can you have addled? can he have addled? can we have addled? can you have addled? can they have addled?
V-ing perfect
can I have been addling? can you have been addling? can he have been addling? can we have been addling? can you have been addling? can they have been addling?
Interro-negative form
Simple form
can I not addle? can you not addle? can he not addle? can we not addle? can you not addle? can they not addle?
V-ing form
can I not be addling? can you not be addling? can he not be addling? can we not be addling? can you not be addling? can they not be addling?
Perfect
can I not have addled? can you not have addled? can he not have addled? can we not have addled? can you not have addled? can they not have addled?
V-ing perfect
can I not have been addling? can you not have been addling? can he not have been addling? can we not have been addling? can you not have been addling? can they not have been addling?