Period 1 (1a -1c)
Teaching key point: the usage of the past continuous tense
Teaching difficulties:
How to use the past continuous tense in the adverb clause of time leaded by "when"and "while".
The Analysis of Teaching Process
Step 1 - - - Organization
1. Exchange greetings with the Ss.
Duty report: It is between two students. They are having a dialogue.
Enjoy a clip of film about the UFO
