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 couldn't preattune you couldn't preattune he couldn't preattune we couldn't preattune you couldn't preattune they couldn't preattune	I couldn't be preattuning you couldn't be preattuning he couldn't be preattuning we couldn't be preattuning you couldn't be preattuning they couldn't be preattuning
Perfect	V-ing perfect
I couldn't have preattuned you couldn't have preattuned he couldn't have preattuned we couldn't have preattuned you couldn't have preattuned they couldn't have preattuned	I couldn't have been preattuning you couldn't have been preattuning he couldn't have been preattuning we couldn't have been preattuning you couldn't have been preattuning they couldn't 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
couldn't I preattune? couldn't you preattune? couldn't he preattune? couldn't we preattune? couldn't you preattune? couldn't they preattune?	couldn't I be preattuning? couldn't you be preattuning? couldn't he be preattuning? couldn't we be preattuning? couldn't you be preattuning? couldn't they be preattuning?
Perfect	V-ing perfect
couldn't I have preattuned? couldn't you have preattuned? couldn't he have preattuned? couldn't we have preattuned? couldn't you have preattuned? couldn't they have preattuned?	couldn't I have been preattuning? couldn't you have been preattuning? couldn't he have been preattuning? couldn't we have been preattuning? couldn't you have been preattuning? couldn't they have been preattuning?