English verb conjugation
CAN CACKLE

Regular verb: cackle - cackled - cackled

Affirmation

Simple form	V-ing form
I can cackle you can cackle she can cackle we can cackle you can cackle they can cackle	I can be cackling you can be cackling she can be cackling we can be cackling you can be cackling they can be cackling
Perfect	V-ing perfect
I can have cackled you can have cackled she can have cackled we can have cackled you can have cackled they can have cackled	I can have been cackling you can have been cackling she can have been cackling we can have been cackling you can have been cackling they can have been cackling

Negation

Simple form	V-ing form
I cannot cackle you cannot cackle she cannot cackle we cannot cackle you cannot cackle they cannot cackle	I cannot be cackling you cannot be cackling she cannot be cackling we cannot be cackling you cannot be cackling they cannot be cackling
Perfect	V-ing perfect
I cannot have cackled you cannot have cackled she cannot have cackled we cannot have cackled you cannot have cackled they cannot have cackled	I cannot have been cackling you cannot have been cackling she cannot have been cackling we cannot have been cackling you cannot have been cackling they cannot have been cackling

Interrogative form

Simple form	V-ing form
can I cackle? can you cackle? can she cackle? can we cackle? can you cackle? can they cackle?	can I be cackling? can you be cackling? can she be cackling? can we be cackling? can you be cackling? can they be cackling?
Perfect	V-ing perfect
can I have cackled? can you have cackled? can she have cackled? can we have cackled? can you have cackled? can they have cackled?	can I have been cackling? can you have been cackling? can she have been cackling? can we have been cackling? can you have been cackling? can they have been cackling?

Interro-negative form

Simple form	V-ing form
can I not cackle? can you not cackle? can she not cackle? can we not cackle? can you not cackle? can they not cackle?	can I not be cackling? can you not be cackling? can she not be cackling? can we not be cackling? can you not be cackling? can they not be cackling?
Perfect	V-ing perfect
can I not have cackled? can you not have cackled? can she not have cackled? can we not have cackled? can you not have cackled? can they not have cackled?	can I not have been cackling? can you not have been cackling? can she not have been cackling? can we not have been cackling? can you not have been cackling? can they not have been cackling?