くてはいけません
nakutewa ikemasen

Expression

1. cannot do without something; indispensable; absolutely necessary

Usually Written in Kana
Related to 無くてはいけない【なくてはいけない・1】
いますぐにやらなくてはいけませんか。
ima suguni yaranakutewa ikemasenka.
Do I have to do it right away?
Expression

2. have to do

Usually Written in Kana
Related to 無くてはいけない【なくてはいけない・2】