新目標八年級英語下冊Unit 3教學設計
三、重點難點初步理解過去進行時態的意義功能和句子結構，能夠做簡單的描述難點：掌握when、while的用法四、教法選擇、學法指導本節課，通過情境創設，引出話題，呈現新知識。讓學生在聽說的任務驅動中，觀察、總結、歸納出過去進行時態的意義功能及語言結構，然后進行復述、操練。五 資源準備 聽力材料、網上搜集相關圖片或視頻、多媒體課件六、教學過程教學任務教師活動學生活動設計意圖及資源準備task1
leading in
（3 minutes）1 greet the students.2 show some pictures about ufo and alien and ask: what’s this? (ufo and alien)3 play a video about ufo.4 say: when the ufo and alien comes, people usually feel strange and get nervous. today let’s learn something about mystical ufo.1 greet the teacher.2. answer the questions3 look and listen.通過創設真實的語境，引出話題，幫助學生理解，為下一環節做好鋪墊。
task2
1a
(5 minutes)1 point out the picture and know the ufo and the places.2 read the instructions. help read the statements.3 check the answers .1 listen and answer questions.2 read the statements then finish the exercises.3 correct answers.感知圖片，認識圖片中的人物和活動，為后面做好鋪墊。
task3
1b
(5 minutes)1 help the students read the responses.2 read the instructions. play the recording.3 check the answers .1 practice reading the activities.2 listen and match.3 correct answers.借助聽力，幫助學生理解和掌握目標語言
task4
1c
(4 minutes)1 read the instructions. then help the students read the example.2 check and help.3 check.1 read the example.2 ask and answer in pairs.3 talk for the class.合作交流，訓練目標語言。
task 5
2a
(5 minutes)1 point to a picture. read the instructions.2. read the statements. play the recording.3 check the answers.1. read the statements.2 number the statements.3 correct the answers.完成聽力訓練，鞏固新語言，同時認識ufo。
task 6
2b
(6 minutes)1 read the instructions. 2. read the statements. then let ss to finish the exercises by themselves. next play the recording.3 check the answers.4 explain the differences between when and while.1 listen. 2 complete the sentences. 3 correct the answers.4 take notes.完成聽力訓練，鞏固新語言，加深理解when和while，同時認識ufo，。
task 7
exercise
(5 minutes)show some exercises. then check the answers.finish exercises.設計練習，為下面做好鋪墊。
task 8
2c
(6 minutes)1 point to the picture. read the instructions. 2 ask ss to work in groups of 4. move around the classroom and offer help as needed.3 ask several groups to act out.4 answers: talking with a police，riding a bike，taking photos，playing with a toy.1 listen.2 work ingroups.3 some groups act out. others check.