English verb conjugation
CAN E-MAIL

Regular verb: e-mail - e-mailed - e-mailed

Affirmation

Simple form	V-ing form
I can e-mail you can e-mail he can e-mail we can e-mail you can e-mail they can e-mail	I can be e-mailing you can be e-mailing he can be e-mailing we can be e-mailing you can be e-mailing they can be e-mailing
Perfect	V-ing perfect
I can have e-mailed you can have e-mailed he can have e-mailed we can have e-mailed you can have e-mailed they can have e-mailed	I can have been e-mailing you can have been e-mailing he can have been e-mailing we can have been e-mailing you can have been e-mailing they can have been e-mailing

Negation

Simple form	V-ing form
I can't e-mail you can't e-mail he can't e-mail we can't e-mail you can't e-mail they can't e-mail	I can't be e-mailing you can't be e-mailing he can't be e-mailing we can't be e-mailing you can't be e-mailing they can't be e-mailing
Perfect	V-ing perfect
I can't have e-mailed you can't have e-mailed he can't have e-mailed we can't have e-mailed you can't have e-mailed they can't have e-mailed	I can't have been e-mailing you can't have been e-mailing he can't have been e-mailing we can't have been e-mailing you can't have been e-mailing they can't have been e-mailing

Interrogative form

Simple form	V-ing form
can I e-mail? can you e-mail? can he e-mail? can we e-mail? can you e-mail? can they e-mail?	can I be e-mailing? can you be e-mailing? can he be e-mailing? can we be e-mailing? can you be e-mailing? can they be e-mailing?
Perfect	V-ing perfect
can I have e-mailed? can you have e-mailed? can he have e-mailed? can we have e-mailed? can you have e-mailed? can they have e-mailed?	can I have been e-mailing? can you have been e-mailing? can he have been e-mailing? can we have been e-mailing? can you have been e-mailing? can they have been e-mailing?

Interro-negative form

Simple form	V-ing form
can't I e-mail? can't you e-mail? can't he e-mail? can't we e-mail? can't you e-mail? can't they e-mail?	can't I be e-mailing? can't you be e-mailing? can't he be e-mailing? can't we be e-mailing? can't you be e-mailing? can't they be e-mailing?
Perfect	V-ing perfect
can't I have e-mailed? can't you have e-mailed? can't he have e-mailed? can't we have e-mailed? can't you have e-mailed? can't they have e-mailed?	can't I have been e-mailing? can't you have been e-mailing? can't he have been e-mailing? can't we have been e-mailing? can't you have been e-mailing? can't they have been e-mailing?