In the 16th century, Hyde Park was (be) a wild park. In 1637, it became (become) a public park. Since 1968, there have been (be) free concerts in the park. In 1991, L. Pavarotti gave (give) a big summer concert in the park. About 100,000 people will come (come) to the park soon. On July 7th, they watched (watch) a big pop concert. Now the park is (be) popular with Londoners and tourists. They like (like) the park.
Я уже всё вставила сама, но теперь мне надо объяснить почему мы вставляем именно эти слова подробно. Помогите пожалуйста. СРОЧНО! 20-30 баллов!