Subject + 回来 + 了
回来 means "to come back" or "to return," indicating movement back toward the speaker's location. It is a directional complement verb used after another verb or on its own. Use it when someone or something returns to the place where the speaker is.
你什么时候回来?我做好饭了。
nǐ shénme shíhou huílái? wǒ zuò hǎo fàn le.
When are you coming back? I've finished cooking.
她出差一个星期,昨天终于回来了。
tā chūchāi yī gè xīngqī, zuótiān zhōngyú huílái le.
She was on a business trip for a week and finally came back yesterday.
别担心,爸爸很快就回来。
Bié dānxīn, bàba hěn kuài jiù huílái.
Don't worry, Dad will be back soon.