人教版八年级英语下册《An old man tried to move the mountains》SectionA PPT教学课件(第3课时)，共40页。ObjectiveTo learn the usage of unless, as soon as and so … that.To learn the Grammar Focus.To learn new words: fit, couple, smile, marry… Free talkTry to make a conversation about the story Yu Gong Moves a Mountain with your partner.How does the story Yu Gong Moves a Mountain begin?Once upon a time, there was a very old man … the mountains were so high and big that it took a long time to walk to the other side… The old man decided to move the mountains…What happened next?One day, a man told Yu Gong that he could never do it because he was old and weak. As soon as the man finished talking, Yu Gong said that his family could continue to…Where would they put all the earth and stone from the mountains?Yu Gong said they could put them into the sea because it’s big enough to hold everything.Grammar FocusHow does the story begin?Once upon a time, there was a very old man ...What happened next?As soon as the man finished talking, Yu Gong said that his family would continue to move the mountains after he died.Why was Yu Gong trying to move the mountains?Because they were so big that it took a long time to walk to the other side.Who is the Monkey King?He is the main character in Journey to the West.What can’t the Monkey King do?He cannot turn himself into a man unless he can hide his tail.unless 的用法conditional clauses with if and unless含有if的复合句由两个分句组成；if 为连词，引导条件状语从句，另一句为主句。如果谈论的是某一个动作发生后势必会产生某个结果，那么主从句都用一般现在时态。as soon as 的用法英语动词的时间大致可分为三段：过去时、现在时、将来时。假设有两件事A和B，就会出现三种情况：A 过去时 as soon as B 过去时A 现在时 as soon as B 现在时A 将来时 as soon as B 将来时在每一个大的时间段内，A 和 B 的时态要统一。比如 A 过去时，B 肯定在过去时内。其它也是如此。至于在每个大时间段内，再根据A 和 B两件事的具体情况，具体对待。比如：A 和B都是过去时，A 和 B 是同时发生，还是先后发生，不是即将发生，再分别选用完成时、进行时、将来时。例如：A 过去时 B 过去时：I arranged the flowers in the vase as soon as I came back home. 一回到家里，我就把花在花瓶里插好。A 过去进行时 B 过去完成时(虚拟)He was shaking with fright as if he had seen a ghost.他吓得直哆嗦，就好像看见了鬼一样。A 将来时 B 将来时(可用一般现在时表达)They will post me the tickets/post the tickets to me as soon as they receive my cheque. 他们收到我的支票后就立刻把票寄给我。as soon as连接的时间状语从句中，指未发生的动作。规律是：主句一般将来时，从句用一般现在时代替一般将来时。 如：I will tell him the news as soon as he comes back.紧接着发生的两个短动作，主从句都用一般过去时。如：He took out his English books as soon as he sat down. so…that… 的用法so .... that.... 如此……以致于……(that 引导的结果状语从句)so的后面跟副词或形容词，例：老师说的太快了，以至于我听不清楚他的话。The teacher speaks so fast that I can’t catch the words.［比较］so…that…与so thatSo that:（1）引导结果状语从句，意为“因此，所以”，主句和从句间常用逗号分开，一般不与情态动词连用。Nothing more was heard of him, so that people thought that he was dead.未再听到他的消息，以致人们认为他已死去了。（2）引导目的状语从句，意为“为了，以便”，通常从句中用may，might，can，could等情态动词。We left early so that we could catch the first bus.我们很早出发，以便能赶上第一班汽车。HomeworkUse “unless”, “as soon as” and “so…that” to make as many sentences as possible.... ... ...关键词：An old man tried to move the mountains PPT课件免费下载，.PPTX格式； 本作品中主体文字及图片可替换修改，文字修改可直接点击文本框进行编辑，图片更改可选中图片后单击鼠标右键选择更换图片，也可根据自身需求增加和删除作品中的内容，源文件无水印。如认为该内容涉嫌侵权，可通过邮件提出书面通知，我们将及时处理。