Source:
Whack a Hack!
http://wahackpokemon.com/shinygold-sitio/walkthrough
Purdue Online Writing Lab
http://owl.english.purdue.edu/owl/resource/540/01/
One example I found is: "The Ford Tauruses have sold for higher prices than the Escorts are."
This is an error, because the verbs in the two clauses are different. The corrected sentence would read, "The Ford Tauruses have sold for higher prices than the Escorts have."
Here is another example of a problem sentence.
"Driving without a seatbelt is a car looking for an accident to happen."
This is incorrect. In this sentence the present participle gerund "driving" is being held as equivalent with "a car." Here is a corrected sentence.
"Driving without a seatbelt is looking for an accident to happen."
This is also a metaphor. The same sentence, with a simile, would read:
"Driving without a seatbelt is like looking for an accident to happen."
A writer use different emotion or mood when writing a sentence which means it use verb in order to convey the mood that he or she want to send to the readers. Verbs have four moods: indicative, imperative, subjunctive and infinitive. These moods tell us in what manner a verb or a verb phrase was expressed. Here is a link for you to review about the four moods of verb. http://www.dailywritingtips.com/english-grammar-101-verb-mood/