Topic: Module5, Unit1 I was two then. Teaching aims: 1. The Ss can grasp the new words and phrases. E.g. was, were, then, old, young, long, short, hair, grandparent, etc. 2. Use the simple past tense of the irregular verb “be” to talk about the past.版权所有 3. Cultivate the Ss’ cooperation. Important points and diffic..