T: Morning / Afternoon, boys and girls. Last class we learned something about solar cars and we are all waiting more will come into being. First, let's go to Activity 5 Vocabulary on page 83.

Let students speak out their answers and complete the story. Ask whether they have found another problem also appears.

Ss: The problem is that if there is not any sunlight, the solar car will not start.

T: Every coin has two sides, advantages and disadvantages. We will have a further discussion later.

Activity two: Consolidation

T: Let's go through Activity 1 - 3 orally to make a solid foundation of Present Perfect and Present Perfect Continuous.

The Ss give their answers one by one.

T: The differences between Present Perfect and Present Perfect Continuous are as follows:

Present Perfect Present Perfect Continuous For achievements

For finished actions. For activities that are still going on now.

For a repeated action.

For a prolonged activity.

For an activity that has some consequences in the present. Activity three: Make up Sentences

T: I'd like to see whether you have written headlines using the two tenses.

The students shared their headlines and sentences.

Sa: Rock singer dies. - A rock singer has died.

Sb: The fourth one is thieves have been stealing bicycles in Amsterdam.

Sc: The fifth one is fewer teenagers have failed exams.

Sd: Number six is our country has been getting richer every year.

Se: The next is more families have bought a second car.

Sf: The last one is Manchester United have become champions again.