Japanese Grammar ~nasai (~なさい)

Ohassuuuuu minna(^m^) goodo mooningu, werukomu to Japanezu Reaningu onrain, hehe^^ welcome to Japanese learning online, Ok, the lesson today is Japanese grammar ~nasai (~なさい), It is a soft yet firm way of issuing a command., usually used by a mother to children, or by a teacher to students.
Grammar ~nasai (~なさい)
JLPT Level: N4 Meaning: (firm command) Formula: renyoukei/stem form verb + nasai