Japanese Grammar Exercises: Expressing Reason or Causation 「から」「ので」

Expressing Reason or Causation

Before starting the exercise for expressing reason or causation 「から」「ので」, please clarify any doubts you may have about the grammatical rules by referring to your grammar guidebook or dictionary. The Instantaneous Composition Method requires you to compose sentences with the target sentence pattern(s) over and over in order to use them almost effortlessly. You should already have the necessary knowledge.

Reference
Genki I - Lesson 9: ~から and Lesson 12: ~ので
Tae Kim's Guide - Compound Sentences

Instantaneous Composition Exercise for Expressing Reason or Causation 「から」「ので」

This is not a translation exercise. This is the Instantaneous Composition Exercise. As if a reflexive action, try to create an equivalent Japanese sentence shortly after reading an English script. Try not to think for more than three seconds.

Natural Speed with Pauses

English and Hidden Japanese Scripts

(It’s) summer, so (it’s) hot.
夏なつだから暑あついです。
(I’m) sleepy, so (I won’t) go.
眠ねむいから行いきません。
This is expensive, so (I won’t) buy (it).
これは高たかいから買かいません。
Why are (you) studying Japanese? => Because (I) like manga.
なぜ日に本ほん語ごを勉べん強きょうしているんですか?=> マンガが好すきだからです。
(I) like eating. => So, do (you) like cooking, too?
食たべることが好すきです。 => だから料りょう理りも好すきなんですか?
Since (it’s) morning, (I will) wash (my) face.
朝あさなので、顔かおを洗あらいます。
Since (it’s) cold, (I will) wear (my) jacket.
寒さむいので、上うわ着ぎを着きます。
Since (my) father (will) come, (I will) clean (my) house.
お父とうさんが来くるので、家いえを掃そう除じします。 
Why did (you) sell (your) house? => Because (I will) move to the US.
なぜ家いえを売うったんですか? => アメリカに引ひっ越こしますので。 
Why did (you) buy the new house? => Because (I will) live together with (my) grandfather.
なぜ新あたらしい家いえを買かったんですか? => おじいさんと一緒いっしょに住すみますので。 

Note

「から」 is slightly more casual than 「ので」. However, when you respond to questions, 「...だからです」 is more common than 「...ですので」.

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