English verb conjugation
COULD SEAT

Regular verb: seat - seated - seated

Affirmation

Simple form	V-ing form
I could seat you could seat he could seat we could seat you could seat they could seat	I could be seating you could be seating he could be seating we could be seating you could be seating they could be seating
Perfect	V-ing perfect
I could have seated you could have seated he could have seated we could have seated you could have seated they could have seated	I could have been seating you could have been seating he could have been seating we could have been seating you could have been seating they could have been seating

Negation

Simple form	V-ing form
I couldn't seat you couldn't seat he couldn't seat we couldn't seat you couldn't seat they couldn't seat	I couldn't be seating you couldn't be seating he couldn't be seating we couldn't be seating you couldn't be seating they couldn't be seating
Perfect	V-ing perfect
I couldn't have seated you couldn't have seated he couldn't have seated we couldn't have seated you couldn't have seated they couldn't have seated	I couldn't have been seating you couldn't have been seating he couldn't have been seating we couldn't have been seating you couldn't have been seating they couldn't have been seating

Interrogative form

Simple form	V-ing form
could I seat? could you seat? could he seat? could we seat? could you seat? could they seat?	could I be seating? could you be seating? could he be seating? could we be seating? could you be seating? could they be seating?
Perfect	V-ing perfect
could I have seated? could you have seated? could he have seated? could we have seated? could you have seated? could they have seated?	could I have been seating? could you have been seating? could he have been seating? could we have been seating? could you have been seating? could they have been seating?

Interro-negative form

Simple form	V-ing form
couldn't I seat? couldn't you seat? couldn't he seat? couldn't we seat? couldn't you seat? couldn't they seat?	couldn't I be seating? couldn't you be seating? couldn't he be seating? couldn't we be seating? couldn't you be seating? couldn't they be seating?
Perfect	V-ing perfect
couldn't I have seated? couldn't you have seated? couldn't he have seated? couldn't we have seated? couldn't you have seated? couldn't they have seated?	couldn't I have been seating? couldn't you have been seating? couldn't he have been seating? couldn't we have been seating? couldn't you have been seating? couldn't they have been seating?