1. If I __________ about the meeting, I would have attended it. --Select-- would know had known knew

2. In order to succeed, you __________ work harder. --Select-- must would have to will

3. If he __________ here, he would help us. --Select-- is were was

4. By the end of the day, they __________ the project. --Select-- will have finished would have finished have finished

5. If I __________ rich, I would travel the world. --Select-- am were was

6. She __________ to the party, but she was too tired. --Select-- should go should have gone should be going

7. __________ had he arrived than it started raining. --Select-- No sooner Hardly Scarcely

8. Study hard __________ you fail. --Select-- unless lest until

9. If he __________ present, he would be angry. --Select-- was were is

10. Had I __________ the truth, I would have acted differently. --Select-- known know knows

11. You __________ informed me earlier. --Select-- should should have shall have

12. I __________ I had more time to finish the work. --Select-- wish am wishing wished

13. It __________ beneficial to learn a second language. --Select-- would be will be is

14. He looked __________ he had seen a ghost. --Select-- as if like as though

15. I packed some food __________ we got hungry. --Select-- lest unless in case

16. Being __________ the circumstances, he acted wisely. --Select-- given under with

17. I wish I had __________ about the meeting earlier. --Select-- knew been knowing known

18. She __________ there if it hadn't been for the storm. --Select-- would have been will have been would be

19. __________ had he spoken than everyone clapped. --Select-- No sooner Hardly Scarcely

20. He acts __________ he knew everything. --Select-- as if like as though