English verb conjugation
CAN TELEX

Regular verb: telex - telexed - telexed

Affirmation

Simple form	V-ing form
I can telex you can telex she can telex we can telex you can telex they can telex	I can be telexing you can be telexing she can be telexing we can be telexing you can be telexing they can be telexing
Perfect	V-ing perfect
I can have telexed you can have telexed she can have telexed we can have telexed you can have telexed they can have telexed	I can have been telexing you can have been telexing she can have been telexing we can have been telexing you can have been telexing they can have been telexing

Negation

Simple form	V-ing form
I can't telex you can't telex she can't telex we can't telex you can't telex they can't telex	I can't be telexing you can't be telexing she can't be telexing we can't be telexing you can't be telexing they can't be telexing
Perfect	V-ing perfect
I can't have telexed you can't have telexed she can't have telexed we can't have telexed you can't have telexed they can't have telexed	I can't have been telexing you can't have been telexing she can't have been telexing we can't have been telexing you can't have been telexing they can't have been telexing

Interrogative form

Simple form	V-ing form
can I telex? can you telex? can she telex? can we telex? can you telex? can they telex?	can I be telexing? can you be telexing? can she be telexing? can we be telexing? can you be telexing? can they be telexing?
Perfect	V-ing perfect
can I have telexed? can you have telexed? can she have telexed? can we have telexed? can you have telexed? can they have telexed?	can I have been telexing? can you have been telexing? can she have been telexing? can we have been telexing? can you have been telexing? can they have been telexing?

Interro-negative form

Simple form	V-ing form
can't I telex? can't you telex? can't she telex? can't we telex? can't you telex? can't they telex?	can't I be telexing? can't you be telexing? can't she be telexing? can't we be telexing? can't you be telexing? can't they be telexing?
Perfect	V-ing perfect
can't I have telexed? can't you have telexed? can't she have telexed? can't we have telexed? can't you have telexed? can't they have telexed?	can't I have been telexing? can't you have been telexing? can't she have been telexing? can't we have been telexing? can't you have been telexing? can't they have been telexing?