On-blog- Quiz

I found out the exercises were a good reviwe for me. I learend a lot of things of grammer and i would like to rate them as best of Three. first exercise 8-2 active vs. be verbs. it showed how to use verb and comper it with a wrong sentence.For example 'Judge Kwan believes that a televised pretrial hearing would prejudice potential jurors'  at begining it was confusing to get which one is correct , but i figure it out.  Second, exercise 13-2 (shifts: tense). It shows how to use each tense