既然 … ，就 … (since / now that)
"Since that's the case…"
- since既然 … ，then / just就 … = "since / now that …, then …".
- since既然to come来(completed / change)了，then / just就to sit坐(suggestion)吧 = "since you're here, have a seat."
- since既然 takes a known fact as the basis for a conclusion.
since既然 … ，then / just就 …
- since既然 builds on something already true; then / just就 draws the conclusion.
since既然you你come来了，then就sit坐吧。
- since既然to come来(completed / change)了，then / just就to sit坐(suggestion)吧 = "since you're here, have a seat."
Practice
Since you're here, have a seat: 既然来了，____ 坐吧。
既然 … ，就 … = since …, then …: 既然来了,就坐吧.
Practice
既然 pairs with 就 to draw the conclusion.
Yes — 既然…，就… (since…, then…).
since既然 vs because因为
- since既然 builds on a known / given fact; because因为 states a fresh cause.
Explore
Correct or broken?
既然 accepts a given fact; 就 draws the natural next step.
Practice
既然 builds its conclusion on…
既然 takes a known fact as the basis; 因为 introduces a fresh cause.
Recap
Key idea
- since既然 … ，then / just就 … — "since / now that …, then …"
- since既然to come来(completed / change)了，then / just就to sit坐(suggestion)吧
- since既然 takes a known fact as the basis for a conclusion
Read the full reference: HSK 4 grammar — Cause & effect statements.