English verb conjugation
COULD TREASURE

Regular verb: treasure - treasured - treasured

Affirmation

Simple form	V-ing form
I could treasure you could treasure he could treasure we could treasure you could treasure they could treasure	I could be treasuring you could be treasuring he could be treasuring we could be treasuring you could be treasuring they could be treasuring
Perfect	V-ing perfect
I could have treasured you could have treasured he could have treasured we could have treasured you could have treasured they could have treasured	I could have been treasuring you could have been treasuring he could have been treasuring we could have been treasuring you could have been treasuring they could have been treasuring

Negation

Simple form	V-ing form
I couldn't treasure you couldn't treasure he couldn't treasure we couldn't treasure you couldn't treasure they couldn't treasure	I couldn't be treasuring you couldn't be treasuring he couldn't be treasuring we couldn't be treasuring you couldn't be treasuring they couldn't be treasuring
Perfect	V-ing perfect
I couldn't have treasured you couldn't have treasured he couldn't have treasured we couldn't have treasured you couldn't have treasured they couldn't have treasured	I couldn't have been treasuring you couldn't have been treasuring he couldn't have been treasuring we couldn't have been treasuring you couldn't have been treasuring they couldn't have been treasuring

Interrogative form

Simple form	V-ing form
could I treasure? could you treasure? could he treasure? could we treasure? could you treasure? could they treasure?	could I be treasuring? could you be treasuring? could he be treasuring? could we be treasuring? could you be treasuring? could they be treasuring?
Perfect	V-ing perfect
could I have treasured? could you have treasured? could he have treasured? could we have treasured? could you have treasured? could they have treasured?	could I have been treasuring? could you have been treasuring? could he have been treasuring? could we have been treasuring? could you have been treasuring? could they have been treasuring?

Interro-negative form

Simple form	V-ing form
couldn't I treasure? couldn't you treasure? couldn't he treasure? couldn't we treasure? couldn't you treasure? couldn't they treasure?	couldn't I be treasuring? couldn't you be treasuring? couldn't he be treasuring? couldn't we be treasuring? couldn't you be treasuring? couldn't they be treasuring?
Perfect	V-ing perfect
couldn't I have treasured? couldn't you have treasured? couldn't he have treasured? couldn't we have treasured? couldn't you have treasured? couldn't they have treasured?	couldn't I have been treasuring? couldn't you have been treasuring? couldn't he have been treasuring? couldn't we have been treasuring? couldn't you have been treasuring? couldn't they have been treasuring?