T: What did she do?

S: She protected the wildlife in Africa.

S: She studied chimps and helped people understand chimp behavior and respect the lives of chimps.

T: Right. Did she have to spend a lot of time achieving her goal?

Ss: Yes. She has been doing that for forty years.

T: With hard work, what did she discovered?

S: She discovered that chimps hunt and eat meat.

S: She discovered how chimps communicate with each other.

S: She worked out their social system with the help of their body language.

T: Wonderful job. Do you admire her?

Ss: Of course. We will all follow her example and make ourselves useful persons.

2. Check the assigned homework.

T: Yesterday, you were expected to complete the exercises independently in Discovering useful words and expressions. Have you finished?

Ss: Yes.

T: Good. Now let's check the answers. Please turn to Page 4. Let's have a look at exercise 2 first.

Now let's check the answers.

(Ask some students to the blackboard to write down their answers, then ask the other students to correct. )

In the same way, check exercises 3 and 4.

Step 2 Noun suffixes in word formation

1. Brainstorm word formation

T: We know that Jane Goodall has done a lot for the chimps. She has argued for the chimps to be left in the wild. That is to say, what has she made for the chimps to be left in the wild?

Ss: Arguments. She has made arguments for the chimps to be left in the wild.

T: (writes argue and argument on the blackboard and underlines -ment) Good. She did a lot and finally achieved her goal. That is to say, she made. . . ?

Ss: She made achievements.

T: (writes achieve and achievement on the black board and underlines -ment) Good.

Now let's have a look at the blackboard. Can you see anything in common in the two pairs of words?