English verb conjugation
CAN TELECONFERENCE

Regular verb: teleconference - teleconferenced - teleconferenced

Affirmation

Simple form	V-ing form
I can teleconference you can teleconference he can teleconference we can teleconference you can teleconference they can teleconference	I can be teleconferencing you can be teleconferencing he can be teleconferencing we can be teleconferencing you can be teleconferencing they can be teleconferencing
Perfect	V-ing perfect
I can have teleconferenced you can have teleconferenced he can have teleconferenced we can have teleconferenced you can have teleconferenced they can have teleconferenced	I can have been teleconferencing you can have been teleconferencing he can have been teleconferencing we can have been teleconferencing you can have been teleconferencing they can have been teleconferencing

Negation

Simple form	V-ing form
I cannot teleconference you cannot teleconference he cannot teleconference we cannot teleconference you cannot teleconference they cannot teleconference	I cannot be teleconferencing you cannot be teleconferencing he cannot be teleconferencing we cannot be teleconferencing you cannot be teleconferencing they cannot be teleconferencing
Perfect	V-ing perfect
I cannot have teleconferenced you cannot have teleconferenced he cannot have teleconferenced we cannot have teleconferenced you cannot have teleconferenced they cannot have teleconferenced	I cannot have been teleconferencing you cannot have been teleconferencing he cannot have been teleconferencing we cannot have been teleconferencing you cannot have been teleconferencing they cannot have been teleconferencing

Interrogative form

Simple form	V-ing form
can I teleconference? can you teleconference? can he teleconference? can we teleconference? can you teleconference? can they teleconference?	can I be teleconferencing? can you be teleconferencing? can he be teleconferencing? can we be teleconferencing? can you be teleconferencing? can they be teleconferencing?
Perfect	V-ing perfect
can I have teleconferenced? can you have teleconferenced? can he have teleconferenced? can we have teleconferenced? can you have teleconferenced? can they have teleconferenced?	can I have been teleconferencing? can you have been teleconferencing? can he have been teleconferencing? can we have been teleconferencing? can you have been teleconferencing? can they have been teleconferencing?

Interro-negative form

Simple form	V-ing form
can I not teleconference? can you not teleconference? can he not teleconference? can we not teleconference? can you not teleconference? can they not teleconference?	can I not be teleconferencing? can you not be teleconferencing? can he not be teleconferencing? can we not be teleconferencing? can you not be teleconferencing? can they not be teleconferencing?
Perfect	V-ing perfect
can I not have teleconferenced? can you not have teleconferenced? can he not have teleconferenced? can we not have teleconferenced? can you not have teleconferenced? can they not have teleconferenced?	can I not have been teleconferencing? can you not have been teleconferencing? can he not have been teleconferencing? can we not have been teleconferencing? can you not have been teleconferencing? can they not have been teleconferencing?