Unit 14 Have you packed yet?

sample conversation 1:s1: hi, tina. are you ready for the beach vacation?s2: no, i haven’t cleaned out the refrigerator yet. s1; have you fed the cat yet?s2: not yet. i‘ll feed it in a minute.s1: have you turned off your radio?s2: yes. i have. i think we’re almost ready.sample conversation 2:s1: hi, tina. are you ready for the beach vacation?s2: no, i haven’t locked the garage yet.s1: i’ve already done most of my jobs.s2: have you taken the towels?s2: no, i’ will do it in a minute.step ⅳ  grammar focus (p111)t: look at the grammar focus box on page 111.  now we will learn something about the present perfect tense. it is used to indicate an action that took place in the past or just a moment ago when the resulting state is still present. such as, i’ve dropped my pen on the ground. you can see the pen on the floor now. i’ve opened the door. now the door is open, etc.ask the other students to write some sentences on the board, using the present perfect tense. circle have done in the sentences.t: well, do you know the differences between the present perfect tense and the past tense?show the following to students.(1)    she has taught english for eight years.(2)    have you fed your dog yet?(3)    has he got up?(4)    ---come and have breakfast with us. --- thank you. i’ve just had it.(5) what have i said to make you so angry?表示過去某時發生的動作，這動作可能剛剛停止，也可能還在進行。(6) she taught english last year.(7)    did you feed your dog last night?(8) did he get up early this morning?(9) i had my breakfast in the canteen.(10) what did you say just now?表示過去某時發生的動作。t: from the above examples, we can see the differences between the present perfect tense and the past tense. so we can reach the following conclusion:show the following to the students.現在完成時: 主語+ have/has done一般過去時: 主語+past participle show the following to the students and ask them to read aloud.1. have you received your letter?2. has the rain stopped yet?3. she has gone to america.4. i’ve already posted your letters.5. i’ve just have had my lunch.show students the following and ask them to make sentences one by one orally.put the following sentences into english.1.       今年我去過那里兩次。2.       到現在我只學了一千英語單詞。3.       這學期他不太用功。4. 今天我什么東西都還沒吃。