Questions & Answers about Мне нужно исправить ошибку в тексте.
Why is it «Мне нужно» and not «Я нужно»? Who is the subject here?
Russian expresses necessity with an impersonal pattern: кому нужно + infinitive. The person is in the dative (мне = “to me”), and нужно is a fixed impersonal predicative (“it is necessary”). There’s no grammatical subject like English “I”; literally: “To me it is necessary to correct …”
Why is it neuter нужно and not нужен/нужна/нужны?
- Use neuter нужно before an infinitive: мне нужно исправить (“I need to correct”).
- Use agreeing forms with a needed noun: мне нужна ручка (“I need a pen”), мне нужен совет (“I need advice”), мне нужны деньги (“I need money”). So here, because it’s followed by an infinitive, the impersonal neuter form нужно is used.
How is нужно different from надо?
They both express necessity and are often interchangeable:
- надо is a bit more colloquial and common in speech.
- нужно can feel slightly more neutral/formal or reasoned. Negatives: Не надо! can sound like “Don’t (do that)!”; не нужно is more “It’s not necessary.” Context decides which sounds better.
How does «Мне нужно…» compare to «Я должен/должна…»?