老师：hi， boys and girls nice to meet you im your English teacher Simon today we are going to learn unit four revision。
老师：同学们大家好，我是你们的英语老师Simon。今天我们将学习第四单元中的 13 课和 14 课。
老师：now lets get started， boys and girls do you love chance？ Lets say a chance okay.
学生：What are you doing Jenny imaking a round by. What are.
老师：You doing mom. im making salad its a nice change isnt it look what is Jenny doing you are right？ she is making a robot what is mom doing super she is making a salad？ look at Mike？ whats he doing exactly hes watching tv？ look at momos family what are they doing great？ they are having a birthday party for grandma？ how about Yang and maomao？ what are they doing excellent？ they are playing football？ what are you doing boys and girls fantastic you say im having an English class？
老师：同学们，刚才我们用现代进行时谈论了不同的人正在进行的活动，你们回答的特别好，我想你们已经掌握了现在进行时的结构了。接下来请同学们读一读下面这些句子，并说一说现代进行时的结构特点，希望同学们能脱口而出。现在进行时是由 be 动词 am is are 和动词的 ing 形式构成的。那么动词加 ING 时有什么规律？你能说出来吗？是的，动词加 i n g 有三种形式，第一种直接在动词结尾加 i n g。第二种，当动词是以不发音的 e 结尾时，我们要去掉不发音的e，再加 i n g。当单音介词以辅音、元音、辅音结尾时，我们要双写最后一个字母，再加 i n g。
老师：All right, boys and girls, let's do the listening exercise. Look, what are they doing? Please think about it before you listen. For example, we know a woman is planting flowers in picture too. Alright, children, please get your pencils ready. Let's listen. Peak or cross.
学生：No. 1, my uncle is driving a car. No. 2, my mom is cooking dinner. Number three, we are having our English class. Number four, the boys are playing football at the playground. Number five, Mao and Mike are talking on the phone. Number six is playing the piano.
老师：Now let's check the answers. Look, picture 3 and picture 4 are right, others are wrong. I hope all of you got the right answers. Boys and girls, when we do listening exercise, we have to catch the key information. What's the key information? Let's take a picture one, for example.
学生：Listen, my uncle is driving a car.
老师：Driving a car is the key information. It tells us what his uncle is doing right now. Is he driving a car? Of course not. He is riding a bike, so it's wrong. Else can be the key information. Please look at picture five. Listen.
学生：Mao and Mike are talking on the phone.
老师：The key information is their names. Who are talking on the phone? In the picture, yes, Bao. Bao and Mike are talking on the phone, so it's wrong. All right, boys and girls, how do we do listening exercise? Here are some tips.
老师：听前仔细观察图片信息，提前理解听力内容，做到心中有数，听中认真倾听，获取关键信息。比如表示名称的人名、物名或地名，表示动作的动词或短语。表示否定含义的单词，如dont、isnt、 cant 等。
老师：Alright, one more listening exercise for you. 1St, look and think what you know from these pictures. Are you ready? Remember, catch the key information. Let's listen. And number.
学生：Number one, plants need water to grow very w
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