Ex. 18. Complete the sentences with the required predicates. Consult the box. Are the sentences the first, second or third conditionals?

1. The virus ___ as soon as you ___ the infected floppy in your PC. 2. Consumers ___ the new software if it ___ so expensive. 3. If he ___ his invention, he ___ a lot of money. 4. Provided you ___ more than 10 CDs, we ___ the cost of each disk by 10%. 5. If you ___ on a source file in the list, the text editor ___ that file. 6. The office manager ___ the documents in time if the printer ___.   a) would use b) bought c) will spread d) would have typed e) had patented f) double click g) were not h) will open i) had been repaired j) would have made k) should reduce l) put