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1、一般现在时中be动词的使用,be动词的种类,be动词包括“am”, “is”, “are”三种形式。第一人称单数(I)配合am来用。句型解析析：I am+,I am Lily.I am ten years old. I am a boy.,be动词的种类,第二人称(You)配合are使用。句型解析：You are+,You are my good friend. You are a good person.You are beautiful.,be动词的种类,第三人称单数(He or She or It)配合is使用。句型解析：She(He, It) is +,She is a good gi
2、rl.She is so cute.She is tender.,be动词的种类,人称复数 (we /you/they)配合are使用。句型解析：We (You, They) are +,We are in Class 5,Grade 7.They are my friends.You are good students.,综合解析,当使用be动词的时候，前面请先加上第几人称。be动词前面的人称，是不可随意替换的。例如：I am, You are, She is，并不会出现I is, You am, She are 这样的情形。,Be动词的人称变化口诀： I(我)用am； you(你)用are
3、, is连着he(他)，she(她)，it(它)； 单数名词用is, 复数名词全用are。,rfref,mjm,be动词的疑问句,1、He is a teacher.,be动词提句首,Is he a teacher?,2、They are twins.,Are they twins?,I am a good student.,练一练,Am I a good student?,rfref,mjm,be动词的否定句,1.He is a teacher.,He is not a teacher.,2.They are twins.,变否定，be动词后加not,They are not twins.,
4、I am a good student.,练一练,I am not a good student.,rfref,mjm,Be的用法口诀 变疑问，往前提，句末问号莫丢弃。 变否定，更容易，be后not莫忘记。 疑问否定任你变，句首大写莫迟疑,rfref,mjm,be动词的缩写,Its She is Theyre We areShes I am Hes They areWere He isIm It is,be 动词练习题,rfref,mjm,改错：,1.I are very good.2.They is strong.3.He are old.4.She am slim.5.It are lovely.,am,are,is,is,is,Are you twenty-nine?,Are you from Beijing?,Are her father and her mother teacher?,1.I am twenty-nine.,She isnt from Beijing.,1.I am twenty-nine.,I am not twenty-nine.,Her father and mother arent teachers.,Hope,Never to old to learn.活到老，学到老。,Good bye !,Thank you for joining!,
