否定句 tom was not in benjing last week.改否定句,在Be动词或助动词do/does/did后面加not,
一般疑问句 Was tom in benjing last week改一般疑问句,有Be动词的,把Be动词提前,没有Be动词的借助助动词do/does/did
否定句 tom was not in benjing last week.改否定句,在Be动词或助动词do/does/did后面加not,
一般疑问句 Was tom in benjing last week改一般疑问句,有Be动词的,把Be动词提前,没有Be动词的借助助动词do/does/did