【正文】
gested topic Where does the water at home e from? What can we use water to do? the importance of water Whiletask Procedure 1. New words and expressions pouringflowing frozestopped moving because of surprise wastingusing more of something than you should obeyeddid according to instructions cleaned upmade something clean in the first placein the beginning valuableof great value 2. other phrases and sentence pour into look around drop… into carry… to water treatment works sewage plant pump… into remember not to do sth. shake one’s head It is + adj. for sb. to do sth. 3. Ask the students to finish Exercise B1 on page 2 and think about Exercise B2 on the same page. 4. 一般過去時 一般過去時的構成 句式 結構 舉例 肯定式 主語 +動詞過去式 +其它 They had a good time yesterday. 否定式 主語 +did not(didn’t)+動詞原形 +其它 They didn’t watch TV last night. 一般疑問句 Did+主語 +動詞原形 +其它? 肯定