he does hishomework at home. (改为否定句） she was at home yesterday. (改为一般疑问句)
2025-06-22 12:13:45
推荐回答（1个）
回答1：
第一句：因为does是实意动词，用的第三人称单数，所以在does前面加doesn't ，并且把does还原为do。改为：he doesn't do his homework 。 第二句：因为句子中已经有了be动词，所以直接把was提前。改为：was she at home yesterday。 希望采纳。
