English verb conjugation
COULD TELEX

Regular verb: telex - telexed - telexed

Affirmation

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

Negation

Simple form	V-ing form
I could not telex you could not telex she could not telex we could not telex you could not telex they could not telex	I could not be telexing you could not be telexing she could not be telexing we could not be telexing you could not be telexing they could not be telexing
Perfect	V-ing perfect
I could not have telexed you could not have telexed she could not have telexed we could not have telexed you could not have telexed they could not have telexed	I could not have been telexing you could not have been telexing she could not have been telexing we could not have been telexing you could not have been telexing they could not have been telexing

Interrogative form

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

Interro-negative form

Simple form	V-ing form
could I not telex? could you not telex? could she not telex? could we not telex? could you not telex? could they not telex?	could I not be telexing? could you not be telexing? could she not be telexing? could we not be telexing? could you not be telexing? could they not be telexing?
Perfect	V-ing perfect
could I not have telexed? could you not have telexed? could she not have telexed? could we not have telexed? could you not have telexed? could they not have telexed?	could I not have been telexing? could you not have been telexing? could she not have been telexing? could we not have been telexing? could you not have been telexing? could they not have been telexing?