Breakdown of hensokuki o kakuninsuru.

Questions & Answers about hensokuki o kakuninsuru.
It is read:
へんそくきを かくにんする
hensoku-ki o kakunin suru
- 変速機 = へんそくき
- を = pronounced o
- 確認する = かくにんする
In natural speech, を may sound closer to o than wo.
を marks the direct object of the verb.
So in 変速機を確認する:
- 変速機 = the thing being checked
- 確認する = to check / confirm
- を = shows that 変速機 is what the checking is being done to
So the structure is basically:
[thing] を [verb]
gearbox/transmission + object marker + check