Questions & Answers about Taukohuone on tyhjennetty.
How do we form the perfect passive in this sentence?
We use the active third-person singular word on (is) and combine it with the passive past participle of the main verb, which is tyhjennetty. Together, they form the perfect passive meaning "has been emptied".
Why is the auxiliary verb on used instead of a passive form?
In the perfect passive, the helping verb olla is always in the active third-person singular form (on). Only the main verb is changed into a passive participle form.
Why is taukohuone in the basic nominative case if it is the object being emptied?
In passive sentences, a total object (an action applied to a whole, countable thing) drops the normal genitive -n ending. Because the entire break room was completely emptied, the object takes this basic nominative form instead.
What is the base form of the verb here, and how does it become tyhjennetty?
The base verb is tyhjentää (to empty), which is a Verb Type 1 word derived from the adjective tyhjä (empty). To make the passive past participle for a Type 1 verb, you take the passive stem (tyhjenne-) and add the ending -tty.
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