7AUnit1Grammar (2)

1、Grammar一般現(xiàn)在時(shí)一般現(xiàn)在時(shí) (Simple Present Tense )一般現(xiàn)在時(shí)的用法一般現(xiàn)在時(shí)的用法Sandy is my classmate. 表示現(xiàn)在存在的狀態(tài)。表示現(xiàn)在存在的狀態(tài)。I am a teacher. You are students.Simon often plays football after class.表示經(jīng)常性、習(xí)慣性的動(dòng)作。表示經(jīng)常性、習(xí)慣性的動(dòng)作。Cats eat fish. 表示客觀事實(shí)或普遍真理。表示客觀事實(shí)或普遍真理。當(dāng)我們談?wù)撘韵聨追N情況時(shí)當(dāng)我們談?wù)撘韵聨追N情況時(shí),用一用一般現(xiàn)在時(shí)：般現(xiàn)在時(shí)：1. 表示現(xiàn)在存在的狀態(tài)表示現(xiàn)在存在的狀態(tài); 2

2、. 表示經(jīng)常性、習(xí)慣性的動(dòng)作表示經(jīng)常性、習(xí)慣性的動(dòng)作; 3. 表示客觀事實(shí)或普遍真理。表示客觀事實(shí)或普遍真理。一般現(xiàn)在時(shí)用法小結(jié)一般現(xiàn)在時(shí)用法小結(jié)例句：例句：1. I am a teacher.2. You are students.3. We are good friends.4. They are on the football field.5. Simon and Sandy are classmates.6. He is a polite and helpful boy. “ be ”動(dòng)詞的一般現(xiàn)在時(shí)形式有三種動(dòng)詞的一般現(xiàn)在時(shí)形式有三種：am, is , are。你能自己總結(jié)嗎？你能自

3、己總結(jié)嗎？人稱to be 形式happy.IYou/We/TheyHe/She/Itamareis縮寫形式：縮寫形式：Im Youre/Were/Theyre Hes/Shes/Its用法口訣：用法口訣：“我我(I)”用用am ,“你你(you)”用用are,“is用于用于“他他(he)”、“她她(she)”、“它它(it)”,復(fù)數(shù)人稱都用復(fù)數(shù)人稱都用“are”。9Exercises:I _ an English teacher.We _ in the classroom.Our school _ big.You _ middle school students.These flowers _

4、 over there.Eddie _ a dog.Your brother _ in Class 2, Grade 3.Your classmates _ on the playground now.areisareisamareisare10I am a teacher.I am not a student.Our school is big.Our school is not small.We are in the classroom.we are not in the park.11 “ be ”動(dòng)詞的一般現(xiàn)在時(shí)的否定形式：動(dòng)詞的一般現(xiàn)在時(shí)的否定形式：am, is , are + no

5、t你能自己總結(jié)嗎？你能自己總結(jié)嗎？人稱to be 形式happy.IYou/We/TheyHe/She/Itam notare notis not縮寫形式：縮寫形式：are not = arent is not = isnt am not 沒(méi)有縮寫形式?jīng)]有縮寫形式12Exercises: （寫出（寫出be動(dòng)詞的否定形式）動(dòng)詞的否定形式）I _ a middle school student.You _ 22 years old.The little girl _ very tall.We _ from the USA.These boys _ your classmates.Eddie _ a

6、n e-dog. are notare notis notam notare notis not13Ihappy?you/we /theyhe/she /itAmAreIsYes,Iyou/we /theyhe/she /itamareisYes,Iyou/we /theyhe/she /itam notare notis not例句例句:(一一) 一般疑問(wèn)句及其肯定回答和否定一般疑問(wèn)句及其肯定回答和否定 回答回答 1. Am I the first? Yes, you are. No, you arent.2. Are you good at swimming? Yes, I am. / Y

7、es, we are. No, Im not. / No, we arent.3. Is Simon tall? Yes, he is. No, he isnt. 鞏固練習(xí)鞏固練習(xí)將下列句子變成將下列句子變成(1)一般疑問(wèn)句并作肯定和否定回答一般疑問(wèn)句并作肯定和否定回答; (2)變成否定句。變成否定句。We are good friends.(1) Are you good friends? Yes, we are. / No, we arent.(2) We arent good friends.Simon and Sandy are classmates.(1) Are Simon and Sandy classmates? Yes, they are. / No, they arent.(2) Simon and Sandy