【正文】
dents to say sth about the three Great Composers of the 18th century. Each at a time. Correct the mistakes if any. Ask the students to pay attention to the following sentences: 1) He learned to play the harpsichord when he was four. 2) When he was six, he played the harpsichord in a concert for the Empress of Austria. 3) While he was still a teenager, Mozart was already a big star. 4) As he grew older, he began to go deaf. The underlined sentences are all Adverbial clause of time. In this module, we are going to deal with this grammar item. II. Turn to page 24. Grammar 1 Adverbial clause of time Activity 1. Read the sentences and answer the questions. A: Which of the sentences refers to a single event in the past? Sentence 1. B. Which of them refers to a period of time in the past? Sentences 2 and 3. C. Which of them refers to a progressive change? Sentence 4. audience: a large audience 觀眾甚多 作主語時(shí),謂語動詞單數(shù)、復(fù)數(shù)形式都可以。 be wet all over Activity 3. Read the notes about the poser Tan Dun and make sentences similar to those in Activity 2. Possible answers: While he was a child, Tan Dun lived in the countryside. When he was young, Tan Dun lived with his grandmother. When he lived in Hunan Province, he collected folk songs and music. While he lived in Hunan Province, he planted rice. When he attended Central