Допоможіть з англійською. Перепишіть речення, в яких використано неправильний минулий час.
2. Rewrite the sentences which use the wrong past tense.
1. Z40, the new drug developed by Pharmatek, marked a turning point in the treatment of cancer.
2. Their competitors failed to see the gap in the market and so missed a great opportunity.
3. The agency was not believing that the machine would save so much time.
4. Zirkon already made good profits when it introduced its new digital camera in 2000.
5. Hiltex were immediately filing a patent for their new machine as they were worried that their competitors would copy them.
6. The story goes that he was having the idea for the electric shoebrush while he was washing up.
7. I was planning to visit the International Inventors’ Fair but I did not have time.