4. Put the verbs in brackets into the correct tense. . (have) 1 If you (not/ study) hard, you won't pass the exams. 21 ..... .... (invite) Bill to dinner if I had seen him. 3 If I ... (be) you, I wouldn't eat so much chocolate. 4 If I ..... free time, I would join a gym. 5 If you see May, (tell) her to call me. 6 Unless it .... (rain), we'll go to the park. ​