JLPT N5 grammar
〜から: meaning and usage
Meaning
Gives a reason, meaning “because” or “since,” or marks a starting point in time or place, meaning “from” or “since.”
How to form it
- plain form/polite form (です/ます)から
- noun/な-adjective (stem)だから
- nounから
How it is used
As “because”, it follows a clause and gives the speaker's own reason; requests, orders or intentions can follow, and it is more casual and direct than 「ので」. As “from”, it follows a noun: 「九時から」.
Examples
彼は、成功したベンチャービジネスの社長だから、すごい金持ちに違いない。
He is the president of a successful startup, so he must be very rich.
雨だから、タクシーで帰りましょう。
It's raining, so let's take a taxi home.
東京から電車で来ました。
I came from Tokyo by train.
About the example In 社長だから, から follows だ after the noun 社長 and gives the reason for the conclusion that he must be rich.