Your english-speaking friend is coming to you for the holidays.write him/her an e-mail say what places yo are going to visit

1. scientists are still discussing the origin of the universe. present continuous active 2. at the same time they were discussing the results of the experiment. past continuous active 3. at 11 o’clock jack will be repairing his car. future continuous active 4. stainless steels have successfully made their way into engineering applications.present perfect active 5. the use of metals had marked one of the greatest stages in the evolution of man. present perfect active 6. tom will have finished this book by tomorrow evening. future perfect tense active 7. the conquering normans were greatly impressed by the industrial efficiency they  found in england. past indefinite passive8. the rolls-royce motor car is known as the best car in the world.  present indefinite  passive 9. english kings and queens have been crowned in westminster abbey for  about 1000  years.present perfect passive 10. the results of the research are being considered by alternative methods.  present continuous passive