Patterns 1. It is a great pleasure to meet you, students from England, who are interested in archaeology.

2. You must be aware that it's here that we're found evidence of some of the earliest people who lived in this part of the world.

3. We have been excavating here for many years and ...

4. My hands are dirty. I have been painting the wall.

5. It must have been very uncomfortable.

6．Do you mean to say they made their own clothes? Aids

Multimedia facilities, tape-recorder, photos, diagrams

Procedures

1. Warming up by talking about ancestors

An ancestor is a parent or (recursively) the parent of an ancestor. So this includes a father or mother, as well as grandparents, great-grandparents, and so on, although the correct female form of the word is "ancestrix", pl: "ancestrixes" or "ancestrices".

　　Two individuals have a genetic relationship if one is the ancestor of the other or if they share a common ancestor; in a curious use of language in evolutionary theory, this is called common descent. (Strictly speaking this may not be true for some bacteria and similar organisms which are capable of direct horizontal gene transfer.)

Some societies have had a form of ancestor worship; most modern