The sentences with their attributes are;
- We didn't tell nobody about the broken window: Double negative
- She couldn't hardly fit the book in her purse: Double negative
- Because I studied, the test was no sweat: Slang
- The amusement pork was way cool!: Slang
- The manager himself took the mop and cleaned up the mess: Incorrect intensive pronoun
A double negative occurs when two negative words are used at the same time to describe something. In the first and second sentences, double negatives are used. Couldn't is a negative word, same as, hardly.
The third and fourth sentences made use of slang. A slang is an informal word in writing commonly understood by a group of people. 'No sweat' in the third sentence meant, 'not difficult'.
The last sentence used an incorrect intensive pronoun. Himself should be the correct intensive pronoun.
Learn more about double negatives here:
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