Нужно. exercise 1. open the brackets and use the verbs in past simple or past perfect. 1) i __ (see) his pictures before i ) the museum. 2) pedro ) english before he ) to england. 3) after bill ) his homework, he ) playing on a computer. 4) boris ) that his uncle ) to kiev yesterday. 5) i soon ) that he ) a serious mistake. 6) i ) a letter before my mother ) home. 7) lily ) all the cakes before her mother exercise 2. complete the sentences using past perfect. 1) they couldn’t enter the house because… 2) i couldn’t answer the questions because… 3) my mother was worried because… 4) they were late because… exercise 3. join the sentences using past simple and past perfect. 1) i read the letter. i threw it away. (when) 2) he past his driving test. he bought a car. (as soon as) 3) i took the book back to the library. i finished reading it. (when) 4) i spent all my money. i went home. (when)