English expression Hi friends, should I make the word "effort" plural in this context? I think both are good, but I'm not sure. 1. Person A: The class has switched to online,. Person B: Good thing I did not study at all yesterday, if not, all of my effort would go to waste. 2. Person A: The class has switched to online. Person B: good thing I did not study at all yesterday, if not, all of my efforts would go to waste.