used to indicate that two things happen at the same time or during something else
いつ, ながら
used to indicate a period of time during which an action takes place or a state of affairs exists, often denoting simultaneous or concurrent events
〜の間, その間
used to denote a continuous period of time starting from a particular event or point in the past and continuing until the present or a specified time
あれ以来, それ以来
used to express that something happens at the same time or right after another thing
〜したら, 一度
used to describe a duration or period of time during which something happens or continues to be true
〜している限り, 〜する間
used to describe a duration or period of time during which something happens or continues to be true
〜する限り, 〜である間
used to indicate a point in time before which an action or event has occurred or will occur
その時までに, その時に
used to emphasize the present moment in relation to the topic under discussion
現時点で, この時点で
used to express the idea of something happening or being done at the appropriate or necessary times
必要に応じて, 必要な時に
used to indicate simultaneous action to show that one action or situation occurs at the same time as another
嵐が外で吹き荒れる中で, たとえその時に
used to indicate that if certain conditions or situations occur, certain actions or responses will follow
もしときには, 場合に応じて