تا جایی که می‌دانم، این منبع درست است.

Questions & Answers about تا جایی که می‌دانم، این منبع درست است.

Why does می‌دانم use the indicative mood here instead of the subjunctive?
Even though conjunctions ending in که often trigger the subjunctive mood, تا جایی که ('as far as' or 'to the extent that') describes a factual limitation rather than a hypothetical situation, doubt, or desire. Because it deals with a stated reality (what you actually know), it takes the indicative mood (می‌دانم) rather than the subjunctive (بدانم).
What is the literal translation of تا جایی که?
It literally translates to 'until a place that'. تا means 'until' or 'as far as', جا is 'place' (and taking the indefinite suffix ی makes it 'a place'), and که means 'that'. Farsi uses this physical metaphor of distance to express the abstract concept of 'to the extent that'.
What exactly does the word منبع mean, and how do you pronounce the last letter?
منبع (pronounced 'manba') means 'source' or 'resource'. The final letter is ع (ayn). While native speakers often soften or drop it in casual speech, it technically adds a slight catch in the throat (a glottal stop) at the end of the word, similar to the pause in the middle of 'uh-oh'.
Could I use راست instead of درست for 'correct' in this sentence?
It is better to stick with درست here. While راست can mean 'true' (as in telling the truth), درست is the standard word for 'correct', 'accurate', or 'right' when evaluating whether information or a source is factually sound.

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