ず-stem
Patterns that hang off a verb's ず-stem.
ず-stem
The form
- slot
{V-zu-stem} - bare suffixnone — a stem, so a pattern attaches straight to it
- excludesi-adjectivena-adjectivenoun
Patterns that attach here
〜ざるをえないざるを得ないN1
have no choice but to do; cannot avoid doing