There is no V¬-ing . . .1. The soldier got badly hurt and needed surgery.(tell/how long/the surgery/take)→ There is no telling how long the surgery will take. 2. Climate change is such an important issue that nobody should ignore it.(deny/climate change/very important issue worthy of our attention)→ There is no denying that climate change is a very important issue worthy of our attention.3. The president seems to have made up his mind about this issue.(know/if/change his mind/about this issue)→ There is no knowing if the president will change his mind about this issue. B. Rewrite the following sentences by using the given patterns.Not until . . . + aux. + S + V . . .It + be + not until . . . + that¬-clause 1. Not until Jack had shown me the proof did I finally believe what he had said.→ It was not until Jack had shown me the proof that I finally believed what he had said. 2. It was not until the teacher gave the students a hint that they thought of the correct answer.→ Not until the teacher gave the students a hint did they think of the correct answer.3. Not until one gets sick will a person know the importance of good health.→ It is not until one gets sick that a person will know the importance of good health.