Sentence 1: Tom has a big presentation at work tomorrow. 
 Sentence 3: He works all night long to present something for tomorrow 
 Sentence 4:  He spilled coffee on the USB stick containing his presentation 
 Sentence 5:  He gets to work and wings his presentation, everyone loves it 
 Option 1: He had finished his preparations for the presentation. 
 Option 2: He has not prepared for the presentation.