1、Module 3Unit 3Language in use1. To practise the use of present perfect tense with just, yet, already2. To learn the learning strategy of word mapObjectives:语法讲解建议采用归纳法，如尽可能多的呈现一些相关例句，或可让学生从已学课文中找相应例句，引导学生试着从所观察到的语言现象中总结出语法规律。Are you familiar with these sentences? They are all from this module.1. Ive
2、 just made a model spaceship.2. Have it arrived yet?3. Astronauts have already been to the moon.4.We have not found life on any other planets yet.5. But no one has been to Mars yet.6. Scientists have not discovered life on Mars yet.7. I havent started yet because Im not sure how to make it.8. They h
3、ave just received a message from one of our spaceships.1. to test your sense of observation2. to test your ability of short-term memory 3. to test your ability of inductive method1. I _ _ _ (make) a model spaceship.2. _ it _ (arrive) _?3. Astronauts _ _ _ (be) to the moon.4. We _ _ _ (not find) life
4、 on any other planets _ .have just madeHave arrived yethave already been have not foundyet5. But no one _ _ _ (be) to Mars _ .6. Scientists _ _ _ (not discover) life on Mars _.7. I _ _ _ _ (not start) because Im not sure how to make it.8. They _ _ _ (receive) a message from one of our spaceships.has not beenyethave not discoveredhave not started yethave just receivedyet以上我们已经通过归纳总结和练习对本课的语法内容有了一定的了解 , 下面就让我们根据之前练习的考察情况进一步选择讲解该语法项的重难点。
