English verb conjugation
CAN RATTLE

Regular verb: rattle - rattled - rattled

Affirmation

Simple form	V-ing form
I can rattle you can rattle she can rattle we can rattle you can rattle they can rattle	I can be rattling you can be rattling she can be rattling we can be rattling you can be rattling they can be rattling
Perfect	V-ing perfect
I can have rattled you can have rattled she can have rattled we can have rattled you can have rattled they can have rattled	I can have been rattling you can have been rattling she can have been rattling we can have been rattling you can have been rattling they can have been rattling

Negation

Simple form	V-ing form
I can't rattle you can't rattle she can't rattle we can't rattle you can't rattle they can't rattle	I can't be rattling you can't be rattling she can't be rattling we can't be rattling you can't be rattling they can't be rattling
Perfect	V-ing perfect
I can't have rattled you can't have rattled she can't have rattled we can't have rattled you can't have rattled they can't have rattled	I can't have been rattling you can't have been rattling she can't have been rattling we can't have been rattling you can't have been rattling they can't have been rattling

Interrogative form

Simple form	V-ing form
can I rattle? can you rattle? can she rattle? can we rattle? can you rattle? can they rattle?	can I be rattling? can you be rattling? can she be rattling? can we be rattling? can you be rattling? can they be rattling?
Perfect	V-ing perfect
can I have rattled? can you have rattled? can she have rattled? can we have rattled? can you have rattled? can they have rattled?	can I have been rattling? can you have been rattling? can she have been rattling? can we have been rattling? can you have been rattling? can they have been rattling?

Interro-negative form

Simple form	V-ing form
can't I rattle? can't you rattle? can't she rattle? can't we rattle? can't you rattle? can't they rattle?	can't I be rattling? can't you be rattling? can't she be rattling? can't we be rattling? can't you be rattling? can't they be rattling?
Perfect	V-ing perfect
can't I have rattled? can't you have rattled? can't she have rattled? can't we have rattled? can't you have rattled? can't they have rattled?	can't I have been rattling? can't you have been rattling? can't she have been rattling? can't we have been rattling? can't you have been rattling? can't they have been rattling?