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Exercise 3. Rewrite sentences using Complex Subject instead of clauses. Model: It seems that he stole the money.He seems to have stolen the money. 1. It seems that he knows everyone here.2. Until the XXth century, it was considered that cardiovascular disease was not a serious problem.3. It was reported that nearly a quarter of fatal attack victims were below age 65.4. Researchers found that bacteria which cause gum disease can travel through the bloodstream.5. It is likely that patients with gum disease more often suffer from narrowing of the arteries.6. Many dermatologists believe that refined carbohydrates trigger inflammation in the skin.7. The WHO experts suppose that the number of diabetics will double by 2030.8. It is said that the first book devoted entirely to dentistry appeared in the XVIth century.9. It is known that ancient Romans could make false teeth and even removable dentures from ivory.10. It is considered that the hardness of porcelain is very high.

1.He seems to know everyone here.2. Until the XXth century, cardiovascular disease was considered not to be a serious problem.3. Nearly a quarter of fatal attack victims were reported to have been below age 65.4. Bacteria which cause gum disease was found by researchers to be able to travel through the bloodstream.5. Patients with gum disease are likely to suffer from narrowing of the arteries more often.6.   that refined carbohydrates are believed by many dermatologists to trigger inflammation in the skin.7.   that the number of diabetics is supposed by the WHO experts to double by 2030.8. The first book is said to have been devoted entirely to dentistry appeared in the XVIth century.9. Ancient Romans are known to have been able to make false teeth and even removable dentures from ivory.10. The hardness of porcelain is considered to be very high.