I can tangle you can tangle he can tangle we can tangle you can tangle they can tangle
V-ing form
I can be tangling you can be tangling he can be tangling we can be tangling you can be tangling they can be tangling
Perfect
I can have tangled you can have tangled he can have tangled we can have tangled you can have tangled they can have tangled
V-ing perfect
I can have been tangling you can have been tangling he can have been tangling we can have been tangling you can have been tangling they can have been tangling
Negation
Simple form
I can't tangle you can't tangle he can't tangle we can't tangle you can't tangle they can't tangle
V-ing form
I can't be tangling you can't be tangling he can't be tangling we can't be tangling you can't be tangling they can't be tangling
Perfect
I can't have tangled you can't have tangled he can't have tangled we can't have tangled you can't have tangled they can't have tangled
V-ing perfect
I can't have been tangling you can't have been tangling he can't have been tangling we can't have been tangling you can't have been tangling they can't have been tangling
Interrogative form
Simple form
can I tangle? can you tangle? can he tangle? can we tangle? can you tangle? can they tangle?
V-ing form
can I be tangling? can you be tangling? can he be tangling? can we be tangling? can you be tangling? can they be tangling?
Perfect
can I have tangled? can you have tangled? can he have tangled? can we have tangled? can you have tangled? can they have tangled?
V-ing perfect
can I have been tangling? can you have been tangling? can he have been tangling? can we have been tangling? can you have been tangling? can they have been tangling?
Interro-negative form
Simple form
can't I tangle? can't you tangle? can't he tangle? can't we tangle? can't you tangle? can't they tangle?
V-ing form
can't I be tangling? can't you be tangling? can't he be tangling? can't we be tangling? can't you be tangling? can't they be tangling?
Perfect
can't I have tangled? can't you have tangled? can't he have tangled? can't we have tangled? can't you have tangled? can't they have tangled?
V-ing perfect
can't I have been tangling? can't you have been tangling? can't he have been tangling? can't we have been tangling? can't you have been tangling? can't they have been tangling?