Exercise 3: Give the correct tense form of the verbs. 1. Anna (fail) the exam because she (skip) _ classes. 2. I (work) on my book for a year when I (publish) it. 3. You (pass) the test because you (study) very well. 4. We (buy) the house after we (save) for many years. 5. I (work) too much, so I (take) a vacation. 6. They (play) basketball before they (switch) to baseball. 7. She (sell) soaps before she (open) her own company. 8. We (expect) her when she (arrive) . 9. Laura (be) very sad because she (fight) with her boyfriend. 10. George (be) very excited because he (wait) to invite Sheila to the movies. Exercise 4: Give the correct tense form of the verbs. 1. Tina (feel) sick because she (eat) several burgers. 2. You (buy) the food before you (cook) it. 3. I (run) for 2 hours by the time I (get) really tired. 4. I (notice) that somebody (smoke) there. 5. They (say) _ that they (work) very hard. 6. Marek (date) a lot before he (meet) his wife. 7. I (visit) many places before I (arrive) . 8. I lost the key that he (give) to me. 9. He told me that he (see) the film. 10. He was really angry because he (wait) for more than half an hour when I arrived.