老师：Hello, everyone. Today we are going to learn integrated skills. Do you still remember what we Learned yesterday? Yes, we Learned the grammar part. Do you still remember what we Learned in the grammar part? Yes, we Learned the present perfect tense. Can you remember what we Learned in the present perfect tense? Now this time, fill in the blanks with time expressions. I will give you one minute.
老师：Have you got all the answers? Number one, I have never seen him before, so I have no idea who he is. So I have no idea who he is.
老师：我不知道他是谁，原因是我从来没有见过他。
老师：Number two, Jack has Learned to play the piano since he was 5 years old.
老师：由于主句现玩从句一般过去，所以我们使用things。
老师：Number three, Mister Wang has taught in the school for 10 years.
老师：ten years a period of time 一段时间。 So useful. Number four, have you ever seen the film? No, I've never seen it. Go on.
老师：Have fifth. Number five, had the bus left yet? Yes, it has already left. Yet. Already. Number six, did you see Simon? Yes, he has just left the classroom. Good job. Now let's look at another exercise. Complete the sentences using the correct tenses.
老师：Have you got all the answers? Number one, I can't get into the house because. I。 Have lost the king. i cant get into the house。
老师：在这里是对现在造成影响的一个句子。由于我丢失了这个钥匙，所以我无法进入房子。我们使用现在完成时 number two， two weeks ago。它是一个过去时的标志。
老师：so we use past tense he borrowed this book two weeks ago but he please pay attention to yet。
老师：这是现在完成时的标志。 so we use。 Hasn't. Perfect tense, but he hasn't finished reading it yet. Number three, we will find at 3:00 yesterday.
老师：这是一个过去进行时的标志。
老师：So we use past, continuous tense. Mary was writing a ladder to her friends at 3:00 yesterday. Let's go on.
老师：Have you got all the answers? Good. Number four, we will find so far.
老师：这是一个现在完成时的标志， so we use。 Present. Perfect tense. We have planted more than 500 trees in and around our school. Number five. We will find things this morning.
老师：现在完成时的标志 so we use。 Present, perfect tense. What have you done since this morning? No. 6. We will find things.
老师：主句，现在完成时，从句，一般过去时。
老师：so my grandpa has lived in wuxi， since he left his hometown number seven we will find recently so。
老师：现在完成时的标志 has Tom returned to you recently good job， lets go， have you got all the answers number eight， jacks mother isnt at home。这是一句对现在造成影响的句子。
老师：so she has gone to the supermarket。 No. 9, we will find for about 20 minutes. So we use present, Perfect Tense. The film has been on for about 20 minutes. Do you still want to watch it? Number ten, we can find, I can hardly find the way to the city center. So a lot of changes have taken place here.
老师：由于发生了很大的变化，所以你几乎找不到去市中心的路了。okay。 You see, a lot of changers have taken place around us, too. So when we think about the changes around us, what sho
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