Polite spoken formula for asking surname. Reply with '我姓 [Surname]', never '我贵姓'.
Inquiring about numbers (room, phone) using '是多少'. In reply, the digit '1' is pronounced 'yāo'.
'几' (usually < 10, requires measure word) vs '多少' (any number, measure word optional). '位' is respectful for people.
Sentence with verbal constructions in series (连动句): [去 + Place + V], where the second verb expresses purpose.
Prepositional structure for joint activity: [Subject + 跟 + Someone + 一起 + Verb]. Preposition phrase precedes the verb.
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