Nihoner

べく

beku

auxiliary verb 連用形

is the masu-stem of べし — peg.

Classical Japanese — you’ll mostly meet it in older texts and set phrases
Full entry for

How it’s built

べし べく

Masu-stem (). The base for ます, たい and ながら, and the way to link two actions: 書き → 書きます.

べし is a classical japanese conjugation, so it follows that pattern.

In real sentences

Please reply as soon as possible.

Nihoner sentence bank

For the place to pitch the tent, let's choose a spot that is as flat as possible and has good drainage.

Nihoner sentence bank

I'll come as soon as I can.

Tatoeba #10251074 (CC BY 2.0 FR)

Other forms and spellings

べけべかベかべしベジぺしペシべけれべからうべからふベからふべからべかんべかるべうべかり
masu-stem of べし