Verb conjugation: 〜ず

Conjugation table
KindPlainConjugated
1-dan見みる⟶見みず
5-dan, す殺ころす⟶殺ころさず
5-dan, ぶ呼よぶ⟶呼よばず
5-dan, ぐ泳およぐ⟶泳およがず
5-dan, く書かく⟶書かかず
5-dan, む読よむ⟶読よまず
5-dan, ぬ死しぬ⟶死しなず
5-dan, る走はしる⟶走はしらず
5-dan, つ待まつ⟶待またず
5-dan, う使つかう⟶使つかわず
irregular行いく⟶行いかず
irregular来くる⟶来きず
irregular
する
⟶せず
Examples
I cannot help thinking so.
I cannot help thinking about him.
I couldn't help laughing when I heard that story.