SuGoiSuす語彙すGrammar › N3 · 02 Time and sequence
〜てから: after doing; since doing
N3 · 02 Time and sequence
Says that one action happens after another is finished.
Verb te-form + から. The second action starts after the first is done, and it stresses the order. Compare 〜たあとで, which is about the same but softer. 〜てからでないと means "not until".
Examples
宿題を済ませてから、遊びに行きなさい。
Finish your homework first, and then go out to play.
日本に来てから、毎朝味噌汁を飲んでいる。
Since coming to Japan, I have had miso soup every morning.