Unit 1 第3课时 Grammar课件2024-2025学年译林版英语七年级上册

Unit1 This is me! Grammar To understand the simple present tense and can use it when necessary; To use the simple present tense to make positive and negative sentences and ask questions; To communicate with others frequently in the simple present tense. Learning objectives Lead-in 3 Hi! I am Millie, a student at Sunshine Middle School. I’m 12 years old. I have short hair. I love reading. Now, let’s meet my classmates. They are Simon, Sandy and Daniel. Simon is tall and he likes sports. Sandy is tall and slim. Her hair is long and she likes music. Daniel is from Nanjing. He is short. He is good at Maths. the verb “be”has three forms: am is are Let’s take a look at the passage! Millie uses “am”, “is” and “are” to talk about her friends and herself. 4 Presentation 5 “Be” am is are We use “am” “is” “are” in the simple present tense（一般现在时）. What’s the tense(时态）? 时态，是指句中谓语动词在不同的时间和状况下所使用的某种动词形式。 时态不同 → 谓语动词变化 What’s the tense(时态）? 在一般现在时中，当句中的谓语动词是be动词时，我们使用“am”“is”“are”三种形式。 the simple present tense 一般现在时 We use the simple present tense to talk about the facts and the present states. 当我们谈论客观事实或现阶段的状态时， 我们使用一般现在时。 When to use the simple present tense? Rabbits are animals. 兔子是动物。 Beijing is in China. 北京在中国。 To talk about the facts 描述客观事实 To talk about the present states 描述现阶段的状态 Her hair is long. 她留着长发。 I am in the classroom。 我在教室里。 我们使用一般现在时来描述客观事实、现阶段的状态。 Conclusion be动词 在一般现在时中的形式是：am is are 不同的主语使用be动词的不同形式。 Let’s learn the use of “be” more carefully! When and How to use “am” I am from Xuzhou. I am in the classroom. I’m I’m “am”只和第一人称”I”搭配使用， 并且I am=I’m. 将句子改为否定句只需在am后加not。am 和not不缩写。 I am not from Xuzhou. I am not in the classroom. When and How to use “am” 将句子改为疑问句只需将am提到句首。 第一人称变疑问句时，要换成第二人称，am相应要变为are。 Am I from Xuzhou? I am in the classroom. I am from Xuzhou. Are you from Xuzhou? Are you in the classroom? Am I in the classroom? 肯定回答：Yes, I am. 否定回答：No, I am not./ No, I’m not. A lion is a dangerous animal. 当主语是单数名词/不可数名词时， 谓语用”is”. When and How to use “is” She is a teacher. She’s a teacher. 当主语是第三人称单数”She/He/It” 时，谓语用”is”. She is=She’s He is=He’s It is=It’s Her hair is long. It is a lion. It’s a lion. 将句子改为否定句只需在is后加not。 is not = isn’t When and How to use “is” Her hair is long. Her hair is not long. 将句子改为疑问句只需将 is提到句首。 肯定回答：Yes, she/he/it is. 否定回答：No, she/he/it is not. No, she/he/it isn’t. Is her hair long? Her hair is long. isn’t When and How to use “are” They are nurses. You are students. You are a student. 当主语是第二人称或为复数时，谓语用”are”. Rabbits are animals. 17 将句子改为否定句只需在are后加not。 are not = aren’t 将句子改为疑问句只需将 are提到句首。 肯定回答：Yes, we/they are. 否定回答：No, we/they are not. No, we/they aren’t. When and How to use “are” You are students. You are not students. aren’t You are students. Are you students? be动词用法口诀： 我 (I) 用am , 你 (you) 用are, is 用于他 (he)、她 (she)、它 (it), 单数名词用is，复数名词全用are。 Let’s read it together ! Let’s learn the principle together! 主谓一致原则 and连接两个单数名词作主语时: 指不同的人或物，谓语用复数。 如指同一人或物，谓语用单数： e.g. The singer and actor, Hu Ge, is kind. 歌星兼演员的胡歌很友善。 Mike and Jack are both tall. 迈克和杰克都高。 主语后跟with，as well as等短语，谓语动词的数 由前面主语的单复数来决定，不受短语的影响。 e.g. The teacher as well as her students is happy. Ms Brown, together with her children，is having dinner. Jack with his family wants to go to China. 主谓一致原则 Practice 22 am are 23 is Is are is are 24 is are is are is Is isn’t is Are am not 25 1. 用 am, is, are完成下列句子。 1. I ____ a girl. 2. Amy _____ Jack’s sister. 3. We ______ from Xuzhou. 4. You ______ my best friend. 5. Millie and I ____ in the same class. 6. Kitty and Amy ____ students. 7. Andy’s brothers _____ not in China. 8. This is my dog. It ____ cute. am is are are are are are is 2.根据要求完成句子。 1. I am an English boy. (改为一般疑问句) ____ ____ an English boy? 2. She is happy today. (改为否定句) She ______ ______ today. 3. 安迪，你擅长唱歌吗？ (完成句子) Andy, ___ ____ ____ ____ singing? 4. 他们不是从北京来的。 (完成句子) They ______ ______ Beijing. Are you isn’t happy are you good at aren’t from 5.He is good at swimming.(改为否定句) ___________________________________ 6. Those boys are from England.(改为一般疑问句) ——————————————————— 7. Lily is from America. (改为一般疑问句) ——————————— He isn’t good at swimming. Are those boys from England? Is Lily from America? Thank you! 单击此处编辑母版文本样式 第二级 第三级 第四级 第五级 $$