I can valuate you can valuate he can valuate we can valuate you can valuate they can valuate
V-ing form
I can be valuating you can be valuating he can be valuating we can be valuating you can be valuating they can be valuating
Perfect
I can have valuated you can have valuated he can have valuated we can have valuated you can have valuated they can have valuated
V-ing perfect
I can have been valuating you can have been valuating he can have been valuating we can have been valuating you can have been valuating they can have been valuating
Negation
Simple form
I cannot valuate you cannot valuate he cannot valuate we cannot valuate you cannot valuate they cannot valuate
V-ing form
I cannot be valuating you cannot be valuating he cannot be valuating we cannot be valuating you cannot be valuating they cannot be valuating
Perfect
I cannot have valuated you cannot have valuated he cannot have valuated we cannot have valuated you cannot have valuated they cannot have valuated
V-ing perfect
I cannot have been valuating you cannot have been valuating he cannot have been valuating we cannot have been valuating you cannot have been valuating they cannot have been valuating
Interrogative form
Simple form
can I valuate? can you valuate? can he valuate? can we valuate? can you valuate? can they valuate?
V-ing form
can I be valuating? can you be valuating? can he be valuating? can we be valuating? can you be valuating? can they be valuating?
Perfect
can I have valuated? can you have valuated? can he have valuated? can we have valuated? can you have valuated? can they have valuated?
V-ing perfect
can I have been valuating? can you have been valuating? can he have been valuating? can we have been valuating? can you have been valuating? can they have been valuating?
Interro-negative form
Simple form
can I not valuate? can you not valuate? can he not valuate? can we not valuate? can you not valuate? can they not valuate?
V-ing form
can I not be valuating? can you not be valuating? can he not be valuating? can we not be valuating? can you not be valuating? can they not be valuating?
Perfect
can I not have valuated? can you not have valuated? can he not have valuated? can we not have valuated? can you not have valuated? can they not have valuated?
V-ing perfect
can I not have been valuating? can you not have been valuating? can he not have been valuating? can we not have been valuating? can you not have been valuating? can they not have been valuating?