5. Выберите правильную форму глагола, учитывая сослагательное наклонение: 1. It is

5. Выберите правильную форму глагола, беря во внимание сослагательное наклонение: 1. It is desirable that he (will be, be) witness in this case. 2. They demanded that he (submitted, submit) the documents without delay. 3. Students must work hard lest they (shouldnt, should) fail at examinations. 4. You (improved, would improve) your pronunciation if you read aloud every day. 5. I should have told her about it, if I (saw, had seen) her last night. 6. I wish I (saw, had seen) him yesterday