将陈述句变为一般疑问句时,如句中有be 动词（am/ is/ are）时,可直接将它们提至主语前.如主语为第一人称,应将其改为第二人称.
Is lucy writing her name on the paper?
当主语是第三人称单数时：一般现在时肯定句 主语+动词的第三人称单数+其他
He eats an apple.
疑问句：疑问词+Be动词+其他 what is zhang hong doing?
How dose our headteacher go to school every day.
否定句：主语+be动词+not+其他she doesn't studies English at No.5 Middle school.
一般疑问句：Do you often go to school by bus.
He doesn't does his homework after school.
She had have lunch at twelve.
How many ball Lin Li does have?