④ 中国已向太空发射了几十颗人造卫星。

⑤ 史密斯先生已把词典和杂志归还给了图书馆。

Ⅱ.Ask them to change the sentences into passive voice, paying attention to the structure of the sentences.

Ⅲ. Pair work Ask pairs of Ss to discuss and find out the differences between the above two columns, then the teacher gives some explanation if necessary.

Step three Practice

1. Ask the Ss to find the sentences in the passage which include the Present Perfect Tense and then change them into the Active Voice.

2. Drills Ask Ss to finish exercises on page 47 and 48, asking some questions about the two news stories.

① What is the first news story about?

② Why are some of the cultural sites not well protected?

③ What has happened to some ancient sites?

④ What are the villagers worried about?

⑤ What have they decided to do?

⑥ What is the second news story about?

⑦ What will be the result of the repair project?

⑧ What are the people of Beijing asked to do? And what’s the result?

⑨ When was the old city wall built?

⑩ Why do you think the city of Beijing plans to repair the old city wall?

Step four Summarise and Homework

1.Summarise what’s been studied, esp. word-formation and structure of the Present Perfect Tense.

2. Finish off workbook exercises on page 128.

3. Preview “Intergrating skills”.

Teaching procedures for the 6th Period