Напишите данные в скобках глаголы в форме Past Participle.
1.The blood (to carry) to the liver passes through the portal vein.
2. The articles (to publish) were written by young surgeon.
3. The ( to receive) findings helped the surgeon to perform the operation .
4. Many small lobules (to connect) by connective tissue and bands of vessels and nerves form the liver.