Collins COBUILD Advanced Learner's English Dictionary - we

Frequency: The word is one of the 700 most common words in English. Note: 'We' is the first person plural pronoun. 'We' is used as the subject of a verb. 1. A speaker or writer uses we to refer both to himself or herself and to one or more other people as a group. You can use we before a noun to make it clear which group of people you are referring to. We ordered another bottle of champagne... We students outnumbered our teachers. PRON 2. We is sometimes used to refer to people in general. We need to take care of our bodies. PRON 3. A speaker or writer may use we instead of ‘I’ in order to include the audience or reader in what they are saying, especially when discussing how a talk or book is organized. (FORMAL) We will now consider the raw materials from which the body derives energy. PRON