I could notate you could notate she could notate we could notate you could notate they could notate
V-ing form
I could be notating you could be notating she could be notating we could be notating you could be notating they could be notating
Perfect
I could have notated you could have notated she could have notated we could have notated you could have notated they could have notated
V-ing perfect
I could have been notating you could have been notating she could have been notating we could have been notating you could have been notating they could have been notating
Negation
Simple form
I couldn't notate you couldn't notate she couldn't notate we couldn't notate you couldn't notate they couldn't notate
V-ing form
I couldn't be notating you couldn't be notating she couldn't be notating we couldn't be notating you couldn't be notating they couldn't be notating
Perfect
I couldn't have notated you couldn't have notated she couldn't have notated we couldn't have notated you couldn't have notated they couldn't have notated
V-ing perfect
I couldn't have been notating you couldn't have been notating she 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
could I notate? could you notate? could she notate? could we notate? could you notate? could they notate?
V-ing form
could I be notating? could you be notating? could she be notating? could we be notating? could you be notating? could they be notating?
Perfect
could I have notated? could you have notated? could she have notated? could we have notated? could you have notated? could they have notated?
V-ing perfect
could I have been notating? could you have been notating? could she have been notating? could we have been notating? could you have been notating? could they have been notating?
Interro-negative form
Simple form
couldn't I notate? couldn't you notate? couldn't she notate? couldn't we notate? couldn't you notate? couldn't they notate?
V-ing form
couldn't I be notating? couldn't you be notating? couldn't she be notating? couldn't we be notating? couldn't you be notating? couldn't they be notating?
Perfect
couldn't I have notated? couldn't you have notated? couldn't she have notated? couldn't we have notated? couldn't you have notated? couldn't they have notated?
V-ing perfect
couldn't I have been notating? couldn't you have been notating? couldn't she have been notating? couldn't we have been notating? couldn't you have been notating? couldn't they have been notating?