1. Many less water flooded into the house than I expected. Error: "Many less" Correction: "Much less" or "Far less"

2. There are less people here than promised to come. Error: "less people" Correction: "fewer people"

3. The more you protest, more guilty you look! Error: "more guilty" Correction: "guiltier"

4. That company is considerably richest than that one. Error: "richest" Correction: "richer"

5. I think that few lemon juice on fish makes it taste better. Error: "few lemon juice" Correction: "a little lemon juice" or "some lemon juice"

6. She always pays by credit card so that she mustn't carry a lot of money with her. Error: "mustn't" Correction: "doesn't have to" or "needn't"

7. Crocodiles are one of the more dangerous animals in the world. Error: "more dangerous" Correction: "most dangerous" or "one of the most dangerous"

8. It would be responsible to ignore the climate change. Error: "responsible to ignore" Correction: "irresponsible to ignore"

9. There weren't some special effects in the film. Error: "weren't some" Correction: "weren't any" or "There weren't any special effects in the film."