《英语》（九年级下册）
Unit 3 Robots
Grammar
I. Teaching aims and learning objectives
By the end of the lesson, students should be able to:
learn to use object clauses or objects + object complements;
learn to use object clauses or question words + to-infinitives;
learn to use adverbial clauses or to-infinitives.
II. Teaching contents
New words and phrases: unsure, pill, forgetful, stair, busy with all kinds of housework, take medicine, have a poor memory, remind me of this, go up and down the stairs
III. Focus of the lesson and predicted area of difficulty
1. To rewrite sentences using object clauses.
2. To make sentences with different structures.
IV. Teaching procedures
Step 1 Watch a video
【设计意图：通过有关机器人的新闻，引出本单元话题主线机器人。通过视频中真实的机器人的活动，激发学生的好奇心。】
Step 2 Free Talk
T: What’s the news about?
S: ....
T: It’s about a new type of robot. It can explore in space. How fantastic!
Scientists consider the robot astronaut a good help in space.
Scientists consider that the robot astronaut is a good help in space.
The robot astronaut knew how it could walk properly in space.
The robot astronaut knew how to walk properly in space.
The robot astronaut is so clever that it can work with other astronauts in space.
The robot astronaut is clever enough to work with other astronauts in space.
The news is too fantastic for us to believe.
【设计意图：通过复述新闻内容，引出相关语法现象，在润物细无声中给学生创设语境，让他们体验语言。】
Step 3 Presentation
T: Let’s see some other types of robots and make sentences.
1. Using object clauses or objects + object complements
(1) Look at the screen and try to rewrite the sentences.
(2) Work out the rule.
2. Using object clauses or question words + to-infinitives
(1) Look at the screen and try to rewrite the sentences.
(2) Work out the rule.
3. Using adverbial clauses or to-infinitives
(1) Look at the screen and try to rewrite the sentences.
(2) Work out the rule.
【设计意图：这一环节为过渡环节，起着承上启下的作用。通过对不同机器人的描述，创设不同的语境，帮助学生理解语法现象，寓教于乐。】
Step 4 Practice
1. Finish the exercises on page 42, page 43 and page 44
2. Make sentences about Yao Ming
3. Conclusion
T: Work hard in order to invent more robots for human beings.
Work hard so that you will be able to invent more robots for human beings.
【设计意图：灵活运用归纳的句式结构，进一步巩固所学知识。】
V. Homework
1. Review what we have learned in this class.
2. Finish more exercises.
