хотелось бы

The expression хотелось бы is a 'politeness softener' in Russian. By using an impersonal construction, you distance yourself from the desire, making it sound like a suggestion or a modest preference rather than a demand.

1. Structure:

• Dative Subject: The person wanting something (e.g., мне, вам, нам).
• Fixed Verb Form: The verb is always хотелось, which is the impersonal past form of the reflexive verb хотеться. It does not change for gender or number.
• Conditional Particle: The particle бы is required to create the 'would' meaning. Note that бы is highly mobile and frequently attaches to the pronoun rather than the verb, making Мне бы хотелось... just as common and correct as Мне хотелось бы.... However, бы cannot be the first word in a sentence.
• Action or Object: Usually followed by an infinitive or a чтобы clause. If the person wanting and the person doing the action are the same, you simply use the bare infinitive. When the wish involves a different subject (e.g., 'I would like you to do something'), you must use a чтобы clause, and the verb inside the clause must be in the past tense. For objects, because хотеться is a reflexive verb, the strict prescriptive rule requires the Genitive case (e.g., Мне хотелось бы новой машины or Мне хотелось бы чаю). However, in colloquial speech, you will frequently hear the Accusative case used by analogy with я хочу (e.g., Мне хотелось бы новую машину).
• Negation: To express a polite refusal or preference not to do something, place не right before the verb. The word order Мне бы не хотелось... is highly common here (I wouldn't like to... / I'd rather not...).

2. Usage Scenarios:
While я хочу (I want) can sound blunt in polite or formal contexts, and its direct present-tense counterpart мне хочется expresses an immediate internal urge (I feel like), мне хотелось бы softens this into a refined, hypothetical preference. It is an ultra-polite choice well-suited for suggestions and requests. Note that for ordering in service settings (like restaurants), мне хотелось бы sounds overly formal. Instead, it is much more natural to use phrases like Я буду..., Мне, пожалуйста..., or Можно мне.... Хотелось бы is frequently used in fixed professional phrases such as Хотелось бы отметить... (I would like to note...) or Хотелось бы добавить... (I would like to add...).

3. Nuance:
Unlike the personal я хотел бы, which focuses on the 'I', хотелось бы focuses on the wish itself. If you omit the dative subject entirely, it translates as 'One would like...' or 'It would be nice to...'. This omission is a core feature of formal, academic, or diplomatic Russian, used to make the statement generalized and completely objective.