English verb conjugation
COULD NOTATE

Regular verb: notate - notated - notated

Affirmation

Simple form	V-ing form
I could notate you could notate he could notate we could notate you could notate they could notate	I could be notating you could be notating he could be notating we could be notating you could be notating they could be notating
Perfect	V-ing perfect
I could have notated you could have notated he could have notated we could have notated you could have notated they could have notated	I could have been notating you could have been notating he could have been notating we could have been notating you could have been notating they could have been notating

Negation

Simple form	V-ing form
I couldn't notate you couldn't notate he couldn't notate we couldn't notate you couldn't notate they couldn't notate	I couldn't be notating you couldn't be notating he couldn't be notating we couldn't be notating you couldn't be notating they couldn't be notating
Perfect	V-ing perfect
I couldn't have notated you couldn't have notated he couldn't have notated we couldn't have notated you couldn't have notated they couldn't have notated	I couldn't have been notating you couldn't have been notating he couldn't have been notating we couldn't have been notating you couldn't have been notating they couldn't have been notating

Interrogative form

Simple form	V-ing form
could I notate? could you notate? could he notate? could we notate? could you notate? could they notate?	could I be notating? could you be notating? could he be notating? could we be notating? could you be notating? could they be notating?
Perfect	V-ing perfect
could I have notated? could you have notated? could he have notated? could we have notated? could you have notated? could they have notated?	could I have been notating? could you have been notating? could he have been notating? could we have been notating? could you have been notating? could they have been notating?

Interro-negative form

Simple form	V-ing form
couldn't I notate? couldn't you notate? couldn't he notate? couldn't we notate? couldn't you notate? couldn't they notate?	couldn't I be notating? couldn't you be notating? couldn't he be notating? couldn't we be notating? couldn't you be notating? couldn't they be notating?
Perfect	V-ing perfect
couldn't I have notated? couldn't you have notated? couldn't he have notated? couldn't we have notated? couldn't you have notated? couldn't they have notated?	couldn't I have been notating? couldn't you have been notating? couldn't he have been notating? couldn't we have been notating? couldn't you have been notating? couldn't they have been notating?