I could renovate you could renovate he could renovate we could renovate you could renovate they could renovate
V-ing form
I could be renovating you could be renovating he could be renovating we could be renovating you could be renovating they could be renovating
Perfect
I could have renovated you could have renovated he could have renovated we could have renovated you could have renovated they could have renovated
V-ing perfect
I could have been renovating you could have been renovating he could have been renovating we could have been renovating you could have been renovating they could have been renovating
Negation
Simple form
I could not renovate you could not renovate he could not renovate we could not renovate you could not renovate they could not renovate
V-ing form
I could not be renovating you could not be renovating he could not be renovating we could not be renovating you could not be renovating they could not be renovating
Perfect
I could not have renovated you could not have renovated he could not have renovated we could not have renovated you could not have renovated they could not have renovated
V-ing perfect
I could not have been renovating you could not have been renovating he could not have been renovating we could not have been renovating you could not have been renovating they could not have been renovating
Interrogative form
Simple form
could I renovate? could you renovate? could he renovate? could we renovate? could you renovate? could they renovate?
V-ing form
could I be renovating? could you be renovating? could he be renovating? could we be renovating? could you be renovating? could they be renovating?
Perfect
could I have renovated? could you have renovated? could he have renovated? could we have renovated? could you have renovated? could they have renovated?
V-ing perfect
could I have been renovating? could you have been renovating? could he have been renovating? could we have been renovating? could you have been renovating? could they have been renovating?
Interro-negative form
Simple form
could I not renovate? could you not renovate? could he not renovate? could we not renovate? could you not renovate? could they not renovate?
V-ing form
could I not be renovating? could you not be renovating? could he not be renovating? could we not be renovating? could you not be renovating? could they not be renovating?
Perfect
could I not have renovated? could you not have renovated? could he not have renovated? could we not have renovated? could you not have renovated? could they not have renovated?
V-ing perfect
could I not have been renovating? could you not have been renovating? could he not have been renovating? could we not have been renovating? could you not have been renovating? could they not have been renovating?