我前天收到了你的信。 I received your letter the day before yesterday. Pinyin Wǒ qiántiān shōudàole nǐ de xìn. Bopomofo ㄨㄛˇ ㄑㄧㄢˊ ㄊㄧㄢ ㄕㄡ ㄉㄠˋ ˙ㄌㄜ ㄋㄧˇ ˙ㄉㄜ ㄒㄧㄣˋ。 Where this sentence is used Past events in Mandarin Chinese grammar (there's no past tense!) All Chinese example sentences
