Sentence 1: I did dishes last night and came across a really dirty pan. 
 Sentence 3: By the time all else was done, the pan was still very dirty 
 Sentence 4:  I had to scrape away at it with steel wool 
 Sentence 5:  By the time I went through two wool pads it was clean 
 Option 1: I just threw it away. 
 Option 2: I let it soak in the sink while I cleaned everything else.