Sentence 1: I was cleaning the apartment yesterday. 
 Sentence 3: I didn't get the chance to tell her 
 Sentence 4:  She walked in and slipped right away 
 Sentence 5:  Luckily she wasn't hurt but I still apologized 
 Option 1: I had just finished folding laundry when my wife got home from work. 
 Option 2: I had just finished mopping when my wife got home from work.