Exercise 4. Cho dạng đúng của động từ trong ngoặc 18. If Minh (get) ____ more pocket money, he (ask) ____ Lam out for dinner. 19. If we (win) ____ the lottery, we (fly) ____ to London. 20. If I (meet) ____ Brad Pitt, I (ask) ____ for his autograph. 21. If the weather (be) ____ nice, they (play) ____ football. 22. If we (go) ____ to a good restaurant, we (have) ____ a better dinner. 23. If An (learn) ____ more words, he (write) ____ a good report. 24. If the boys (take) ____ the bus to school, they (arrive) ____ on time. 25. If the teacher (explain) ____ the homework, I (do) ____ it. 26. If they (wait) ____ for another 10 minutes, they (see) ____ the pop star. 27. If the police (come) ____ earlier, they (arrest) ____ the burglar. 28. If you (buy) ____ fresh green vegetable, your salad (taste) ____ better. 29. If Alex (ask) ____ me, I (email) ____ the documents. 30. If he (speak) ____ more slowly, Peggy (understand) ____ him. 31. If we meet at 9:30, we (have) ____ plenty of time. 32. Lisa would find the milk if she (look) in the fridge. 33. The zookeeper would have punished her with a fine if she (feed) ____ the animals. 34. If you spoke louder, your classmates (understand) ____ you. 35. Dan (arrive) ____ safe if he drove slowly. 36. You (have) ____ no trouble at school if you had done your homework. 37. If you (swim) ____ in this lake, you’ll shiver from cold. 38. The door will unlock if you (press) ____ the green button.