4. if you had no had insered he. Wated not Unless Exercise 4: One of the four underlined parts marked A, B, C, D in each sentence is not correct in standard English. Identify them. 1. If Lucia had been here now, she would find out the truth about her uncle's accident. A B C D 2. If a student takes a course on Computer Science, it will take him four years doing the course. A B C D 3. Unless it did not rain, Peter would pay us a visit. B C D A 4. If had I known you were in financial difficulty, I would have helped you. A B C D 5. If I had knew the time when the match started, I would have told you. A B C D 6. If she had finished the work, she can go home. A B CD 7. If I had spoken more confident at the interview, they would have offered me the job. B C A 8. If we had had a map, we would not be lost yesterday. A D B C 9. Had I known Alice's address, I would write to her.