以下是回答：）
1、否定句：The race was not exciting ；一般疑问句：Was the race exciting 肯定回答：Yes,it was .否定回答：No,it wasn‘t .对划线部分提问：How was the race
2、否定句：All the students were not very excited ；一般疑问句：Were all the students excited 肯定回答：Yes,they were .否定回答：No,they were not .对划线部分提问：Who were very excited
3、否定句：The coins were not in his pocket ；一般疑问句：Were the coins in his pocket 肯定回答：Yes,they were .否定回答：No,they were not .对划线部分提问：Where were the coins
总结变化规则：（有be动词的陈述句）,变为否定句直接在be动词后加not ；变为一般疑问句直接将be动词提前,首字母大写,且句末加问号；变为肯定句肯定的是yes,人称代词主格+be动词,否定是no,主格+be动词的否定；对划线部分提问一般就是要改为特殊疑问句,若是提问时间就用when,地点用where,方式用how,原因用why等等.