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kono nimotu ha omoi desu kara, erebeetaa wo tukaimasu.

この　荷物にもつ　は　重おもい　です　から、　エレベーター　を　使つかいます。kono nimotu ha omoi desu kara, erebeetaa wo tukaimasu.
This luggage is heavy, so I use the elevator.
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Questions & Answers about kono nimotu ha omoi desu kara, erebeetaa wo tukaimasu.

Why is この used before 荷物?

この is a demonstrative adjective meaning “this.” It specifies that you’re talking about a particular piece of luggage close to the speaker. In Japanese, you put この directly before the noun it modifies:

  • この荷物 = “this luggage”
Why is は used after 荷物 instead of が or を?

は marks the topic of the sentence—what you’re talking about. Here, この荷物 is introduced as the topic (“As for this luggage…”).

  • Using が would mark 荷物 as the subject in a new or emphasized context (“It is this luggage that…”).
  • Using を would incorrectly mark 荷物 as the object of the verb.
Why is です added after the adjective 重い?

In polite speech, i-adjectives still take です to soften or formalize the statement.

  • Plain form: 重い (“is heavy”)
  • Polite form: 重いです (“is heavy,” polite)
What role does から play in this sentence?

から is a conjunction meaning “because” or “since.” It attaches to the end of a clause to indicate a reason:

  • 重いですから = “because it is heavy”
Can you use ので instead of から? What’s the difference?

Both から and ので mean “because,” but they differ in nuance and formality:

  • から is more direct and common in spoken Japanese.
  • ので is slightly softer and often more formal or written.
    Form changes with polite speech:
  • 重いですから (polite + から)
  • 重いので (plain + ので) or 重いですので (polite + ので, less common)
Why is エレベーター marked with を?

The verb 使います (“use”) is transitive, so its direct object—the thing being used—is marked with を.

  • エレベーターを使います = “(I) use the elevator.”
Why is the verb 使います placed at the end of the sentence?

Japanese follows a Subject–Object–Verb (SOV) word order. Each clause ends with its verb or copula:

  1. この荷物は重いですから (reason clause)
  2. エレベーターを使います (main clause with the verb at the end)
Could you omit です and just say この荷物は重いから、エレベーターを使います?

Yes, you can drop です in casual/plain speech:

  • この荷物は重いから、エレベーターを使う。 (plain)
    However, mixing plain から with polite 使います can feel uneven. Stick to one register (plain or polite) in a single sentence for consistency.