Unit 2 I think that mooncakes are delicious! Section A Grammar Focus课件（4a-4c 47张）

4a-4c（第三课时） Unit 2 I think that mooncakes are delicious! Look at the picture. What festival do you think of? What do you know about the festival? Lead in: Learning aims 1 理解并掌握语法：（that/if/whether引导的宾语从句。 2 what how引导的感叹句。 3.培养学生对英语的信心和兴趣 1. I know that the Water Festival is really fun. 2. I wonder if they’ll have the races again next year. 3. I wonder whether June is a good time to visit Hong Kong. 4. I believe that April is the hottest month in Thailand. (合作探究一） 观察这些句子结构，并翻译出来。that if whether 分别是什么意思 . that if whether引导的是什么句子？ 探究二 1.宾语从句是由_____充当动词宾语。 2, 宾语从句的引导词有哪些 ? _____ 引导陈述句 _____ /____ _ 引导一般疑问句 3，宾语从句的语序是_____ 一个句子 that if whether 陈述语序 I know where you are. Where are you ? I wonder what time you went to beijing yestday. when are you going abroard? 以上几个句子哪个是疑问语序？哪个是陈述语序？ 主语在前谓语在后的是陈述语序。 一、宾语从句的注意事项 在复合句中，由一个句子充当宾语，这个句子叫作宾语从句。宾语从句需要注意以下三点： 1．引导词 引导宾语从句的常见关联词，可用下面的口诀记 忆：1 陈述that来引导，有时可以省略掉。 一般问句表“是否”, if或whether来引导。 2．语序：宾语从句用陈述语序。 3．时态 (1)如果主句是现在时或将来时，那么宾语从句的时态应根据实际情况选择。如： I hear that Bill has gone to Hainan.我听说比尔已经去海南了。 (2)如果主句是过去时，那么宾语从句也要用过去的某种时态 主过从过，主现从不限。 He said that he _____ when his father came back home.他说当他的爸爸回家时，他正在看电视。(watch TV) (3)如果宾语从句讲述的是客观事实、普遍真理、自然现象、名言、警句、格言、谚语时，无论主句是什么时态，宾语从句都要用一般现在时。如： He said that light _____ faster than sound.他说光比声音传播得快。(travel) he was watchingTV travels 合作探究三 能用wether 不能用if 的情况。 1.whether可置于句首引导主语从句，而if不能。例如：Whether or not you can do this well depends on your learning habit.你是否能做好取决于你的学习习惯。 2.whether可用在介词之后，引导宾语从句，而If则不能。如： Success depends on whether we work hard enough . 成功取决于我们是否足够努力。 3.whether后可接不定式，而if不能。如： Please tell us whether to go or stay here.请告诉我们是走还是留在这儿。 4.whether 可与not连用，而if不能。例如：I’m not sure whether he will come or not.我不确定他来不来。 Exercises Ⅰ. 单项选择。?? 1.?Wang Hong told me _____ she was cooking at 6:00 yesterday morning. A.if B.that C.whether D.how 2.?Our physical teacher said that light _____ faster than sound. A.traveled B.travel C.travels D.will travel B C 用that if wether what be 填空 1.She said _____ was a secret. 2,I’ll see _____she’s at home. 3, she told me _____the film _____(is)very good 4,Our success depends on _____we work hard. 5,_____ it rains or snows ,I don’t care. 6,We didn’t know _____ she did。 (我们不知道她做了什么) 7 The teacher said the sun _____ bigger than the earth.(be) that If/whether that was whether what whether is Ⅰ.用that if或whether填空。 1．Wang Hong sa ... ...