Ex1: Give the correct form of verbs: 18. If you (give) _______ me a reasonable discount, I (buy) ______ these goods in bulk. 19. Lisa (feel) ______ very happy if her boyfriend (show) ______ up suddenly at the party. 20. If you (send) _______ an invitation to them, they would not come to this party. 21. If John (speak) ______Chinese well, he (have) ______ the opportunity to attend a meeting with the Chinese partner. 22. He would never have known this secret if his mother (not reveal) ______ it so soon. 23. Rose will be left behind in her travels if she (continue) ______to rest like this. 24. If you (lend) ______ me money, I’ll buy a new phone for work. 25. You will be honored to contribute to the completion of this project if you (put) ______ effort into it. 26. Mary (visit) ______ her hometown in March if she (not have) ______ any unexpected work. 27. If I (be) ______ you, I (not accept) ______ becoming his subordinate. 28. If you (not help) ______ me with this project, I (not be) ______ able to finish it so well. 29. He will be fined if he (continue) ______ to answer the phone while driving. 30. You (feel) ______more excited if you (join) ______ this concert.