Breakdown of Моё сомнение исчезает, когда учитель спокойно объясняет правило.
Questions & Answers about Моё сомнение исчезает, когда учитель спокойно объясняет правило.
In Russian, possessive pronouns agree with the gender, number, and case of the noun they modify.
- сомнение is a neuter noun (it ends in -ие and its dictionary form is neuter).
- The neuter form of мой is моё.
So you must say:
- мой учитель (masculine)
- моя книга (feminine)
- моё сомнение (neuter)
- мои сомнения (plural)
Using моя or мой with сомнение would be grammatically wrong because of gender disagreement.
Russian often uses a singular abstract noun where English prefers a plural.
Моё сомнение исчезает can mean:
- My doubt disappears (about one specific thing), or
- My doubt disappears in a general sense (doubt as a state).
You could say Мои сомнения исчезают (my doubts disappear) if you want to emphasize multiple separate doubts. The singular just focuses on the overall feeling of doubt as one state.