English verb conjugation
COULD DELETE

Regular verb: delete - deleted - deleted

Affirmation

Simple form	V-ing form
I could delete you could delete she could delete we could delete you could delete they could delete	I could be deleting you could be deleting she could be deleting we could be deleting you could be deleting they could be deleting
Perfect	V-ing perfect
I could have deleted you could have deleted she could have deleted we could have deleted you could have deleted they could have deleted	I could have been deleting you could have been deleting she could have been deleting we could have been deleting you could have been deleting they could have been deleting

Negation

Simple form	V-ing form
I couldn't delete you couldn't delete she couldn't delete we couldn't delete you couldn't delete they couldn't delete	I couldn't be deleting you couldn't be deleting she couldn't be deleting we couldn't be deleting you couldn't be deleting they couldn't be deleting
Perfect	V-ing perfect
I couldn't have deleted you couldn't have deleted she couldn't have deleted we couldn't have deleted you couldn't have deleted they couldn't have deleted	I couldn't have been deleting you couldn't have been deleting she couldn't have been deleting we couldn't have been deleting you couldn't have been deleting they couldn't have been deleting

Interrogative form

Simple form	V-ing form
could I delete? could you delete? could she delete? could we delete? could you delete? could they delete?	could I be deleting? could you be deleting? could she be deleting? could we be deleting? could you be deleting? could they be deleting?
Perfect	V-ing perfect
could I have deleted? could you have deleted? could she have deleted? could we have deleted? could you have deleted? could they have deleted?	could I have been deleting? could you have been deleting? could she have been deleting? could we have been deleting? could you have been deleting? could they have been deleting?

Interro-negative form

Simple form	V-ing form
couldn't I delete? couldn't you delete? couldn't she delete? couldn't we delete? couldn't you delete? couldn't they delete?	couldn't I be deleting? couldn't you be deleting? couldn't she be deleting? couldn't we be deleting? couldn't you be deleting? couldn't they be deleting?
Perfect	V-ing perfect
couldn't I have deleted? couldn't you have deleted? couldn't she have deleted? couldn't we have deleted? couldn't you have deleted? couldn't they have deleted?	couldn't I have been deleting? couldn't you have been deleting? couldn't she have been deleting? couldn't we have been deleting? couldn't you have been deleting? couldn't they have been deleting?