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 cannot e-mail you cannot e-mail he cannot e-mail we cannot e-mail you cannot e-mail they cannot e-mail	I cannot be e-mailing you cannot be e-mailing he cannot be e-mailing we cannot be e-mailing you cannot be e-mailing they cannot be e-mailing
Perfect	V-ing perfect
I cannot have e-mailed you cannot have e-mailed he cannot have e-mailed we cannot have e-mailed you cannot have e-mailed they cannot have e-mailed	I cannot have been e-mailing you cannot have been e-mailing he cannot have been e-mailing we cannot have been e-mailing you cannot have been e-mailing they cannot 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 I not e-mail? can you not e-mail? can he not e-mail? can we not e-mail? can you not e-mail? can they not e-mail?	can I not be e-mailing? can you not be e-mailing? can he not be e-mailing? can we not be e-mailing? can you not be e-mailing? can they not be e-mailing?
Perfect	V-ing perfect
can I not have e-mailed? can you not have e-mailed? can he not have e-mailed? can we not have e-mailed? can you not have e-mailed? can they not have e-mailed?	can I not have been e-mailing? can you not have been e-mailing? can he not have been e-mailing? can we not have been e-mailing? can you not have been e-mailing? can they not have been e-mailing?