English verb conjugation
CAN EMAIL

Regular verb: email - emailed - emailed

Affirmation

Simple form	V-ing form
I can email you can email he can email we can email you can email they can email	I can be emailing you can be emailing he can be emailing we can be emailing you can be emailing they can be emailing
Perfect	V-ing perfect
I can have emailed you can have emailed he can have emailed we can have emailed you can have emailed they can have emailed	I can have been emailing you can have been emailing he can have been emailing we can have been emailing you can have been emailing they can have been emailing

Negation

Simple form	V-ing form
I can't email you can't email he can't email we can't email you can't email they can't email	I can't be emailing you can't be emailing he can't be emailing we can't be emailing you can't be emailing they can't be emailing
Perfect	V-ing perfect
I can't have emailed you can't have emailed he can't have emailed we can't have emailed you can't have emailed they can't have emailed	I can't have been emailing you can't have been emailing he can't have been emailing we can't have been emailing you can't have been emailing they can't have been emailing

Interrogative form

Simple form	V-ing form
can I email? can you email? can he email? can we email? can you email? can they email?	can I be emailing? can you be emailing? can he be emailing? can we be emailing? can you be emailing? can they be emailing?
Perfect	V-ing perfect
can I have emailed? can you have emailed? can he have emailed? can we have emailed? can you have emailed? can they have emailed?	can I have been emailing? can you have been emailing? can he have been emailing? can we have been emailing? can you have been emailing? can they have been emailing?

Interro-negative form

Simple form	V-ing form
can't I email? can't you email? can't he email? can't we email? can't you email? can't they email?	can't I be emailing? can't you be emailing? can't he be emailing? can't we be emailing? can't you be emailing? can't they be emailing?
Perfect	V-ing perfect
can't I have emailed? can't you have emailed? can't he have emailed? can't we have emailed? can't you have emailed? can't they have emailed?	can't I have been emailing? can't you have been emailing? can't he have been emailing? can't we have been emailing? can't you have been emailing? can't they have been emailing?