7上_unit1_grammar课件(1).ppt

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1、Unit One This is me!The simple present tenseHow well do you know them? We use the simple present tense to talk about facts and states1. I am a student2. Sandy is my classmates3. we are in Class 1 动词为动词为“be”时，一般现在时的构成时，一般现在时的构成:1. 主语为主语为第一人称单数第一人称单数I 时，时，be 动词用动词用am. I am 12 years old. (I am =Im) 2.

2、主语为主语为第二人称第二人称(you), 第一人称复数第一人称复数(we) 以以及第三人称复数及第三人称复数(they)时，时，be 动词用动词用 are. We / They / You are students. (we are = were ; you are = youre; they are= theyre) 3. 当主语为当主语为第三人称单数第三人称单数(he, she, it ) 时，时，be 动词用动词用is. He/ She/ It is happy in the park. (he is = hes; she is = shes; it is = its) 注意注意: be

3、与主语的搭配。与主语的搭配。我我( I )用用am,你你(you)用用are, is跟着他跟着他(he)她她(she)它它(it)。I am = Im You are = YoureHe is = Hes She is = ShesWhat is= Whats It is = Its is not = isnt are not = arentMy name is = My names注意注意: be动词动词am，is，are与其前与其前后词的合写。后词的合写。动词为动词为be 动词动词时，一般现在时的否定时，一般现在时的否定和疑问构成和疑问构成:否定句：否定句：主语主语+ am/ is /ar

4、e + not +其它成其它成 分分.疑问句：疑问句：Am/ Is/ Are +主语主语+其它成分？其它成分？回答：回答： Yes, I am/ we are/ you are/ they are/ he is / she is/ it is. No, Im not/ we arent/ youre not/ they arent/ hes not/ she isnt/ its not. 选用选用am, is , are完成下列句子。完成下列句子。 1. I _a Chinese boy. 2. Annie _Simons cousin. 3. We _from Shanghai. 4. You _my best friends. 5. Millie and I _in the same class. 6. Kitty and Amy _ happy here. 7. Andys brothers _ not in China. 8. This is my dog. It _ very lovely. amisareareareareareis