English verb conjugation
COULD PREATTUNE

Regular verb: preattune - preattuned - preattuned

Affirmation

Simple form	V-ing form
I could preattune you could preattune he could preattune we could preattune you could preattune they could preattune	I could be preattuning you could be preattuning he could be preattuning we could be preattuning you could be preattuning they could be preattuning
Perfect	V-ing perfect
I could have preattuned you could have preattuned he could have preattuned we could have preattuned you could have preattuned they could have preattuned	I could have been preattuning you could have been preattuning he could have been preattuning we could have been preattuning you could have been preattuning they could have been preattuning

Negation

Simple form	V-ing form
I could not preattune you could not preattune he could not preattune we could not preattune you could not preattune they could not preattune	I could not be preattuning you could not be preattuning he could not be preattuning we could not be preattuning you could not be preattuning they could not be preattuning
Perfect	V-ing perfect
I could not have preattuned you could not have preattuned he could not have preattuned we could not have preattuned you could not have preattuned they could not have preattuned	I could not have been preattuning you could not have been preattuning he could not have been preattuning we could not have been preattuning you could not have been preattuning they could not have been preattuning

Interrogative form

Simple form	V-ing form
could I preattune? could you preattune? could he preattune? could we preattune? could you preattune? could they preattune?	could I be preattuning? could you be preattuning? could he be preattuning? could we be preattuning? could you be preattuning? could they be preattuning?
Perfect	V-ing perfect
could I have preattuned? could you have preattuned? could he have preattuned? could we have preattuned? could you have preattuned? could they have preattuned?	could I have been preattuning? could you have been preattuning? could he have been preattuning? could we have been preattuning? could you have been preattuning? could they have been preattuning?

Interro-negative form

Simple form	V-ing form
could I not preattune? could you not preattune? could he not preattune? could we not preattune? could you not preattune? could they not preattune?	could I not be preattuning? could you not be preattuning? could he not be preattuning? could we not be preattuning? could you not be preattuning? could they not be preattuning?
Perfect	V-ing perfect
could I not have preattuned? could you not have preattuned? could he not have preattuned? could we not have preattuned? could you not have preattuned? could they not have preattuned?	could I not have been preattuning? could you not have been preattuning? could he not have been preattuning? could we not have been preattuning? could you not have been preattuning? could they not have been preattuning?