English verb conjugation
COULD FREQUENT

Regular verb: frequent - frequented - frequented

Affirmation

Simple form	V-ing form
I could frequent you could frequent she could frequent we could frequent you could frequent they could frequent	I could be frequenting you could be frequenting she could be frequenting we could be frequenting you could be frequenting they could be frequenting
Perfect	V-ing perfect
I could have frequented you could have frequented she could have frequented we could have frequented you could have frequented they could have frequented	I could have been frequenting you could have been frequenting she could have been frequenting we could have been frequenting you could have been frequenting they could have been frequenting

Negation

Simple form	V-ing form
I couldn't frequent you couldn't frequent she couldn't frequent we couldn't frequent you couldn't frequent they couldn't frequent	I couldn't be frequenting you couldn't be frequenting she couldn't be frequenting we couldn't be frequenting you couldn't be frequenting they couldn't be frequenting
Perfect	V-ing perfect
I couldn't have frequented you couldn't have frequented she couldn't have frequented we couldn't have frequented you couldn't have frequented they couldn't have frequented	I couldn't have been frequenting you couldn't have been frequenting she couldn't have been frequenting we couldn't have been frequenting you couldn't have been frequenting they couldn't have been frequenting

Interrogative form

Simple form	V-ing form
could I frequent? could you frequent? could she frequent? could we frequent? could you frequent? could they frequent?	could I be frequenting? could you be frequenting? could she be frequenting? could we be frequenting? could you be frequenting? could they be frequenting?
Perfect	V-ing perfect
could I have frequented? could you have frequented? could she have frequented? could we have frequented? could you have frequented? could they have frequented?	could I have been frequenting? could you have been frequenting? could she have been frequenting? could we have been frequenting? could you have been frequenting? could they have been frequenting?

Interro-negative form

Simple form	V-ing form
couldn't I frequent? couldn't you frequent? couldn't she frequent? couldn't we frequent? couldn't you frequent? couldn't they frequent?	couldn't I be frequenting? couldn't you be frequenting? couldn't she be frequenting? couldn't we be frequenting? couldn't you be frequenting? couldn't they be frequenting?
Perfect	V-ing perfect
couldn't I have frequented? couldn't you have frequented? couldn't she have frequented? couldn't we have frequented? couldn't you have frequented? couldn't they have frequented?	couldn't I have been frequenting? couldn't you have been frequenting? couldn't she have been frequenting? couldn't we have been frequenting? couldn't you have been frequenting? couldn't they have been frequenting?