1、8A Unit 4 Period 6 Study skills教学目标 To learn how to use the prefixes un-, in-, and im- to form adjectives.教学重、难点To learn how to use the prefixes un-, in-, and im- to form adjectives.教学准备 A small blackboard课前预习 Preview the new words.教学过程教学环节 教 师 活 动 学 生 活 动 备注Step 1PresentationStep 2 Practice1. T: We
2、 know salad is good for us. You can add anything you like to a salad. Is it healthy to add much sugar? No, its notHealthy. Its unhealthy.2. Write “not healthy” and “unhealthy” on Bb. Get Ss to read them.3. Explain the use of the prefix un- to Ss:By adding a group of letters to the front of an adject
3、ive, we can change its meaning. One of the most common prefixes for adjectives is un-. It means “not”. We add it to some adjectives to give them the opposite meaning.4. Introduce the prefixes in- and im-.1. A brain storm:Put Ss into pairs and one says out any adjective in the book and the other says
4、 out the opposite and its spelling.2. Make a summary:1)大部分形容词前加 un-2)in-从来不会加在以字母 l、r 开头的单词前。3)im- 一般用在以字母 b、m、p 开头Listen to the teacher and try to understand the meanings of “unhealthy”.To learn about the use of prefixes.Play the game and make a summary.Step 3Practice Step 4 Homework的单词前。3. Give Ss
5、 some time to remember the words.1. Ask Ss to complete the exercises on Page 51.2. Check the answers with Ss.3. Get Ss to read the conversation together.1. Remember the new words, phrases and the use of prefixes.2. Preview the next period.Complete the exercises.Read the conversation.Do some homework.
