English verb conjugation
COULD WEEKEND

Regular verb: weekend - weekended - weekended

Affirmation

Simple form	V-ing form
I could weekend you could weekend she could weekend we could weekend you could weekend they could weekend	I could be weekending you could be weekending she could be weekending we could be weekending you could be weekending they could be weekending
Perfect	V-ing perfect
I could have weekended you could have weekended she could have weekended we could have weekended you could have weekended they could have weekended	I could have been weekending you could have been weekending she could have been weekending we could have been weekending you could have been weekending they could have been weekending

Negation

Simple form	V-ing form
I couldn't weekend you couldn't weekend she couldn't weekend we couldn't weekend you couldn't weekend they couldn't weekend	I couldn't be weekending you couldn't be weekending she couldn't be weekending we couldn't be weekending you couldn't be weekending they couldn't be weekending
Perfect	V-ing perfect
I couldn't have weekended you couldn't have weekended she couldn't have weekended we couldn't have weekended you couldn't have weekended they couldn't have weekended	I couldn't have been weekending you couldn't have been weekending she couldn't have been weekending we couldn't have been weekending you couldn't have been weekending they couldn't have been weekending

Interrogative form

Simple form	V-ing form
could I weekend? could you weekend? could she weekend? could we weekend? could you weekend? could they weekend?	could I be weekending? could you be weekending? could she be weekending? could we be weekending? could you be weekending? could they be weekending?
Perfect	V-ing perfect
could I have weekended? could you have weekended? could she have weekended? could we have weekended? could you have weekended? could they have weekended?	could I have been weekending? could you have been weekending? could she have been weekending? could we have been weekending? could you have been weekending? could they have been weekending?

Interro-negative form

Simple form	V-ing form
couldn't I weekend? couldn't you weekend? couldn't she weekend? couldn't we weekend? couldn't you weekend? couldn't they weekend?	couldn't I be weekending? couldn't you be weekending? couldn't she be weekending? couldn't we be weekending? couldn't you be weekending? couldn't they be weekending?
Perfect	V-ing perfect
couldn't I have weekended? couldn't you have weekended? couldn't she have weekended? couldn't we have weekended? couldn't you have weekended? couldn't they have weekended?	couldn't I have been weekending? couldn't you have been weekending? couldn't she have been weekending? couldn't we have been weekending? couldn't you have been weekending? couldn't they have been weekending?