Kaua ngā kāroti e waruwaruhia.You shouldn't peel the carrots.Negations of 'me' - We shouldn't... - Kaua... (passive) e...
Kaua e waruwaruhia ngā kāroti.Don't peel the carrots.Negative passive commands (Don't be...) - Kaua... e...
Waruwaruhia ngä käroti. AND Me waruwaru ngä käroti.Peel the carrots. You should peel the carrots.
Kaua e waruwaruhia ngä käroti. (also possible: Kaua ngä käroti e waruwaruhia.).Don't peel the carrots. You shouldn't peel the carrots.