牛津译林版英语八年级上Unit8 Grammar课件+教案
IV. Teaching procedures
A Past continuous tense
Step 1 Lead-in
1. Show some pictures of the Taiwan Earthquake, and ask three questions:
What was Timmy doing when the earthquake started?
What were people doing while pieces of glass and bricks were falling down?
What did Timmy suddenly hear as he was trying to find his way out?
2. Watch a video and then answer a question
What were people doing when the earthquake happened?
【设计意图】有目的、有意义地导入，既复习了阅读部分学习的内容，同时也引导学生思考过去进行时态。
Step 2 Presentation
1. Ask the students to read the sentences on the screen to discover the rule
T: Today we will be learning about the past continuous tense. Please work in pairs. Read these sentences and try to find out the rule.
2. Circle the verbs in the past continuous tense
3. Work out the rule
(1) Explain the structure of the past continuous tense.
(2) Explain the usage of the past continuous tense.
【设计意图】采用归纳教学法，让学生自己发现语法规则更符合现有的心智结构，更便于记忆与运用。
Step 3 Practice
1. Make sentences
Ask the students to watch the pictures and make sentences.
The boys were playing football at 4 p.m. yesterday.
The woman was shopping at this time yesterday.
The girl was reading the whole night yesterday.
2. Change sentences
Get the students to put the three sentences into negative, general questions and make responses.
3. Complete Part A on Page 97
【设计意图】针对前面讲解进行针对性练习。
Step 4 Extension
1. Get the students to complete some questions on the entrance examinations.
2. Compare the past continuous tense with the present continuous tense and the simple past tense.
【设计意图】通过选取中考题中与过去进行时相关的部分，并帮助学生弄清楚过去进行时与现在进行时和一般过去时的区别。