Explanation
Expresses 'as soon as' (when used with Verb-ますstem) or 'depending on' (when used with a noun).
Formation
Verb-ますstem + 次第, Noun + 次第
Detailed explanation
The grammar pattern ～次第 can mean 'as soon as' when used with a verb in its ます-stem, and 'depending on' when used with a noun. For instance, 仕事が終わり次第 (as soon as work finishes) or 天気次第 (depending on the weather).
Examples
Shigoto ga owari shidai, kaerimasu.
I will go home as soon as I finish work.
Okyakusama no goiken shidai de, saabisu wo kaizen shimasu.
We will improve our services depending on customer feedback.
Kare no henji shidai de, paatii ni iku ka dou ka kimemasu.
I will decide whether or not to go to the party depending on his answer.
Tenki shidai de, pikunikku wo yotei shite imasu.
We are planning a picnic depending on the weather.
Practice
Grammar content sourced from hanabira.org.