English verb conjugation
CAN INSTANT-MESSAGE

Regular verb: instant-message - instant-messaged - instant-messaged

Affirmation

Simple form	V-ing form
I can instant-message you can instant-message she can instant-message we can instant-message you can instant-message they can instant-message	I can be instant-messaging you can be instant-messaging she can be instant-messaging we can be instant-messaging you can be instant-messaging they can be instant-messaging
Perfect	V-ing perfect
I can have instant-messaged you can have instant-messaged she can have instant-messaged we can have instant-messaged you can have instant-messaged they can have instant-messaged	I can have been instant-messaging you can have been instant-messaging she can have been instant-messaging we can have been instant-messaging you can have been instant-messaging they can have been instant-messaging

Negation

Simple form	V-ing form
I can't instant-message you can't instant-message she can't instant-message we can't instant-message you can't instant-message they can't instant-message	I can't be instant-messaging you can't be instant-messaging she can't be instant-messaging we can't be instant-messaging you can't be instant-messaging they can't be instant-messaging
Perfect	V-ing perfect
I can't have instant-messaged you can't have instant-messaged she can't have instant-messaged we can't have instant-messaged you can't have instant-messaged they can't have instant-messaged	I can't have been instant-messaging you can't have been instant-messaging she can't have been instant-messaging we can't have been instant-messaging you can't have been instant-messaging they can't have been instant-messaging

Interrogative form

Simple form	V-ing form
can I instant-message? can you instant-message? can she instant-message? can we instant-message? can you instant-message? can they instant-message?	can I be instant-messaging? can you be instant-messaging? can she be instant-messaging? can we be instant-messaging? can you be instant-messaging? can they be instant-messaging?
Perfect	V-ing perfect
can I have instant-messaged? can you have instant-messaged? can she have instant-messaged? can we have instant-messaged? can you have instant-messaged? can they have instant-messaged?	can I have been instant-messaging? can you have been instant-messaging? can she have been instant-messaging? can we have been instant-messaging? can you have been instant-messaging? can they have been instant-messaging?

Interro-negative form

Simple form	V-ing form
can't I instant-message? can't you instant-message? can't she instant-message? can't we instant-message? can't you instant-message? can't they instant-message?	can't I be instant-messaging? can't you be instant-messaging? can't she be instant-messaging? can't we be instant-messaging? can't you be instant-messaging? can't they be instant-messaging?
Perfect	V-ing perfect
can't I have instant-messaged? can't you have instant-messaged? can't she have instant-messaged? can't we have instant-messaged? can't you have instant-messaged? can't they have instant-messaged?	can't I have been instant-messaging? can't you have been instant-messaging? can't she have been instant-messaging? can't we have been instant-messaging? can't you have been instant-messaging? can't they have been instant-messaging?