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 can't addle you can't addle he can't addle we can't addle you can't addle they can't addle
V-ing form
I can't be addling you can't be addling he can't be addling we can't be addling you can't be addling they can't be addling
Perfect
I can't have addled you can't have addled he can't have addled we can't have addled you can't have addled they can't have addled
V-ing perfect
I can't have been addling you can't have been addling he can't have been addling we can't have been addling you can't have been addling they can't 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't I addle? can't you addle? can't he addle? can't we addle? can't you addle? can't they addle?
V-ing form
can't I be addling? can't you be addling? can't he be addling? can't we be addling? can't you be addling? can't they be addling?
Perfect
can't I have addled? can't you have addled? can't he have addled? can't we have addled? can't you have addled? can't they have addled?
V-ing perfect
can't I have been addling? can't you have been addling? can't he have been addling? can't we have been addling? can't you have been addling? can't they have been addling?