新概念英语第一册1-10课语法be动词的用法

be动词 III be动词有三个: am is are I am a singer. I am from China. I am twenty years old. am用于I (第一人称单数) You are the best! We are good friends. Dogs are lovely. are用于you (第二人称)和复数 She is our teacher. Jack is singing. The cat is over there. Water is dirty. is用于第三人称单数 Practice 1 is am are I is are am they is are am we am are is The boys am are is Lily and Jack is am are my teacher is am are A desk is am are it Practice 2 is am are I ______ singing now . am +1 is are am Look ! Those ducks ______swimming. are +2 is are am We ______ from Canada. are +1 am is are She _____ watching TV . is +1 am is are Listen ! That boy _____ crying. is +2 Practice 3 1.My dad ________ reading the newspaper. 2.That woman________her aunt. 3.The water________everywhere. 4.Tom and Jenny_______going to Thailand. 5.I________so tired now. 6.We________making a cake. be - is / am/ are is is is are am are She is my English teacher. She is not my English teacher. I am doing my homework. I am not doing my homework. not not 否定句： be + not be动词的否定句： 直接在 be 后加 not is not = isn‘t are not = aren’t am not没有缩写 I’m not reading. She isn’t from Japan. They aren’t twins. Practice 4 She is reading a comic book . not We are catching butterflies . not 改动文本内容后 请点击动画 进行动画路径的修改 移动路径的线移动即可 He is from Canada . not The trash is everywhere . not 改动文本内容后 请点击动画 进行动画路径的修改 移动路径的线移动即可 Tom is singing with his dad . not They are seeing the film . not 改动文本内容后 请点击动画 进行动画路径的修改 移动路径的线移动即可 He is a doctor. not That bird is sleeping in the tree . not 改动文本内容后 请点击动画 进行动画路径的修改 移动路径的线移动即可 She is fishing with her dad. Is she fishing with her dad ? Yes , she is. No , she isn’t. Is ? be动词 放句首 改问号 肯定回答: Yes，主语 + be 否定回答: No，主语 + be + not I am working. Are you working ? Yes , I am . No , I am not . Pay attention 当主语是we,I(第一人称)时， 要变为you(第二人称)， my,our改your， 再把be动词提前,句号改问号 be动词的一般疑问句 1 be动词放句首 2 句末改问号 肯定回答: Yes，主语对应的人称代词 + be 否定回答: No，主语对应的人称代词+ be + not 当主语是we,I时，要变为you，my,our改your Practice 5 We are collecting pebbles. 改一般疑问句 Are you collecting pebbles? Yes,we are. No,we aren’t. we 改 you be动词提前,句号改问号 He is at home. 改一般疑问句 Is he at home? Yes,he is. No,he isn’t. be动词提前,句号改问号 They are shopping. 改一般疑问句 Are they shopping? Yes,they are. No,they aren’t. be动词提前, 句号改问号 My dad is fishing. 改一般疑问句 Is your dad fishing? Yes,he is. No,he isn’t. be动词提前, 句号改问号 Practice 6 are you at the beach ? 可用蜂蜜罐和单词组合 点击连词成句 are Jim and Ken running now ? 可用蜂蜜罐和单词组合 点击连词成句 is Mary going to the beach ? 可用蜂蜜罐和单词组合 点击连词成句 are they reading under the tree ? 可用蜂蜜罐和单词组合 点击连词成句 is she working in the library ? 可用蜂蜜罐和单词组合 点击连词成句 Practice 7 1. ________ _________making a card? Yes,he__________. 2. ____________ Kim and Jack going to Beijing? No,they__________. 3.__________ ___________ a Chinese? Yes, I _______. Fill in the blank Is he is Are aren’t Are you am 4. ________ _________at home? No,she__________. 5. ____________ Mary a good student? Yes,________ ________. 6._________ ___________ dancing? Yes, they _________. Fill in the blank Is she isn’t Is she is Are they are $