一般现在时精致ppt.ppt

Be 动词的一般现在时
I a teacher.
am
He a boy.
is
They students.
are
1、表示客观真理或事实
I am a teacher.
He is a boy.
They are students.
travels
moves
1、Light ______(travel)faster than sound.
2、The earth ______(move) around the sun.
be 动词一般现在时的句式构造
肯定句：
I am a student.
He is twelve.
They are in the classroom.
肯定句结构:主语+be动词+其他
否认句：
I am not a student.
He is not a thirteen.
They are not in the classroom.
is not=isn’t
are not=aren't
否定句结构:主语+be动词+not+其他
一般疑问句：
Are you a student?
Is he twelve?
Are they in the classroom?
肯定答复：Yes, 主语+be
否认答复：No, 主语+be not
一般疑问句: Be动词+主语+其他？
特殊疑问句：
疑问词+一般疑问句
Who are you?
How old is he?
Where are they?
特殊疑问句:特殊疑问词+be动词+主语+其他？
我用am，你用are，is连着他〔he〕，她〔she〕，它〔it〕;
单数名词用is， 复数名词全用are；
变疑问，往前提，句末问号莫丢弃。
变否认，更容易，be后not莫忘记。
疑问否认任你变，句首大写莫迟疑。
总结一下：
一、用be动词的适当形式填空
Amy ____ her sister.
2. His name _____ Kate.
3. --What ____ your phone number?
--It _____284-2942.
4. -- ______ you Cara?
-- No, I _____ Gina.
5. Her brother’s name _____ John.
is
is
is
Are
am
is
is
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