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V ない-form なければ なりません
Pattern
verb
(nai-form)
ければ なりません
Explanation
Must do……
This sentence pattern is used to say that something must be done. Note that it is not in the negative.
Examples
1
薬を飲まなければなりません。
くすりをのまなければなりません。
I must take some medicine.
Try Your Own Example
Write a sentence that follows this grammar pattern and validate it.