句子加工厂。

1．我发现了有关胚胎发育的规律。  

    “被”字句：                                                                        

2．这件上衣是李晓的。   

     双重否定句：                                                                         

3．这篇课文你学过。  

     反问句：                                                                               

4．我和老师的一次谈话，更加激发了我的想象力。  

      缩句：