八年级英语(下)第5单元第3课时Unit 5 What were you doing when the rainstorm came?Section A Grammar Focus4c李方连Teaching aims1. Learn past continuous tense.2. Learn when-adverbials and while-adverbials.3. Learn to talk about the past events .Teaching preparingChang Yan Teaching System, a projectorTeaching procedureStep 1 ReviewAsk several students to write some new words on the blackboard. Let other students write on the notebook. After finishing it, the teacher marks their works who write new words on the blackboard.Step 2 Lead-inThe teacher shows two pictures by the projector. Then asks: What was he/she doing? Write the question on the blackboard.Help students answer the questions.Step 3 Presentation Grammar FocusTurn on the English electric book, pay attention to Grammar Focus on Page36.Help students understand the sentences meanings. Mark the important language points with the electric pen.Ask students to read the sentences after the teacher.Ask students to read the sentences in the box with a partner. One student asks, the other answers. Then change roles.Step 4 Practice Activity 4a, 4b1. Activity 4aAsk students to look at the table on the electric book. Invite two students to read the phrases and explain their meanings.Read the example sentences for the students, make them understand how to do this activity.Give students several minutes to do the work. The teacher moves around the room and offers help.Finally, invite three students to present their sentences. The teacher writes them on the blackboard on the electric book. Correct mistakes.Answers:While John was playing the piano, Mary left the house. /John was playing the piano when Mary left the house.While John was cleaning his room, Mary turned on the radio. / John was cleaning his room when Mary turned on the radio.While John was shopping, Mary took the car to the car wash. / John was shopping when Mary took the car to the car wash.2. Activity 4bGive students several minutes to fill in the blanks using“ was，were, when and while.”Invite one student to say his/ her answers. Correct mistakes.Read the passage, make students get the main idea .Teach“icy，have a look.”Write them on the blackboard.Answers: While; was; was; While; When; was; was; wereStep 5 Consolidation Introduce the past continuous tense to the students. Show PPT on the projector and explain it.Step 6 Summary and home workT : In this class, we mainly learned the past continuous tense and talk about past events. After class, you should review and practice. Remember? Now, look at activity 4c. Do you remember what were you doing at these times last Sunday? Look at the table in Activity 4c and fill in the chart. At first, look at the example conversation. Your homework is making two new conversations , understand?Writing design:Unit 5 When were you doing when the rainstorm came? Period 3What was she/he doing?She was taking the phone. / He was playing the piano.Icy adj.冰冷的；结冰的 Ice n.冰have a look 看一看 look atkid v. 开玩笑(kidding) n.孩子