T:You have just checked your answers with your partner.The correct answers are on the screen.Look through them quickly and compare them with yours.

　　Suggested answers:1.E　2.C　3.B　4.F　5.D　6.A

　　T:Now do you understand this grammar better?Could you use when and if to make such sentences by yourselves?Here are five Chinese sentences.Please translate them into English.

　　(The teacher shows the five sentences on the screen.And the teacher can either give the students a few minutes to prepare and then check up or make this task their homework after class.)

　　1.如果你上课迟到,向教师道歉是很重要的。

　　2.如果你被邀请到某人家里吃饭,最好带上礼物。

　　3.你来中国的话,要学会用筷子。

　　4.要是学外语,你要很努力。

5.如果和日本人打招呼,你要稍微鞠躬。 　　If he or she hopes to consolidate what they learn in class,the teacher can adopt the first method.

　　T:(A few minutes later.) Now let's check your translation one by one.The first sentence,any volunteer?

　　S:If you arrive late for a lesson,it's very important to apologize to the teacher.

　　T:Quite right.Sit down,please.Any different opinion?

　　S:Let me try.It's very important to apologize to the teacher if you are late for school.

　　T:Great.Thank you.Sit down,please.Sentence 2,who would like to do this?

　　S:If you're invited to someone's home for a meal,it's a good idea to take a gift.

　　T:Good answer.Sit down,please.Who can do this in another way?

　　S:You might as well take a present if you receive an invitation to a meal.

　　T:Absolutely true,good sentence.Sit down,please.The third one?

　　S:If you are to visit China,you should learn to use chopsticks.

　　T:Completely right.Who has a different idea?

　　S:You'd better make use of chopsticks if you pay a visit to China.

　　T:Thank you for thinking of such a good expression.Sit down,please.No.4?Volunteer?

　　S:When you study English,you should work hard.

　　T:Good job.Sit down,please.Any different opinion?

　　S:You have to study hard when you want to learn English.

　　T:Well done.The last one?Volunteer?

　　S:When you greet someone from Japan,you should bow slightly.

　　T:Really true.Sit down,please.You all gave excellent performances.

　　Step 3 Listening and vocabulary

　　T:Just now we have learned something about adverbial clause of condition.Follow me to do some listening.In Activity 1,you need to match the parts of the body with the words in the box.Look at the screen and follow me to read these words,meanwhile,try to catch their meanings.

　　(The teacher shows the following words on the screen.)

ankle　chest　eyebrow　finger　forehead　knee　lips　shoulder　wrist 　　T:OK.You have known how to read these words and got all their meanings,right?

　　Ss:Yeah.

T:Now work in pairs and match these words with parts of your body by acting them out as follows.One chooses any word of them and says it quickly,meanwhile,the other needs to point at