過去形 (かこけい)を書きなさい。

① sit     
② run         
③ eat       
④ sleep            
⑤ hear             
⑥ read            
⑦ buy             
⑧ write            
⑨ think            
⑩ talk             
⑪ give      
⑫ wake       
⑬ jump     
⑭ play     
⑮ listen