■ Let's look at three words that expresses a reason or a cause. "Since" and "because." から, だから, and
HOW to use:
Verbs: After the plain form (past or non-past) of the verb.
Because I studied hard, I passed the test.
[well | studied | because | test | passed]
い Adjectives: Place から after the adjective.
Because that dress is blue, I like it.
[that | dress | blue | because of | like]
な Adjectives: Add the past or non-past plain form of
です. だ or だった.
Because that picture is pretty, (I) will buy it.
[that | picture/painting-pretty/clean | because of | buy]
The next two listings don't connect sentences, but they do connect thoughts and show the reason or the cause of the previous sentence. "Therefore" "because of that" "so".
■ だから/ですから so; therefore
Look, didn't I tell you to be careful!
[therefore | be careful | said | didn't I?]
■ なぜなら because of that
Because I want to go to Japan one day, I'm studying Japanese.
[Japanese language | studying | therefore | one day | Japan | to | like to go | because]