The passive verb form is used to indicate an action in which the subject is not the one performing the action, but rather someone else performs the action on the subject.ロンドンマラソンが行われました。
Verb in て-form + いますN3
Expresses the current state of an event or action that happened in the past but whose result still exists up to the present.赤い粉はチョークをこなにしたものだと考えられています。
Verb in ない form + でくださいN3
Express a request or reminder for someone not to do something.イスラエルへの武器をやめてください。
Verb in ない form (remove い) + くなるN3
Express a change of state from having to not having.ガザでは食べ物が少なくなっています。