English (Basic) - Lesson thirty one

 What if + (subject + verb)
Here you are asking a question about 'in the event of' or 'in the event that.' Usually you are looking for an answer at the time of the question that is being asked.

Here are some examples:

"What if I miss the bus?"
"What if I were late to dinner?"
"What if I called her tomorrow?"
"What if I don't understand?"
"What if someone sees me?"
"What if no one is home?"
"What if they decide to stay?"
"What if it rains while we are camping?"
"What if I do not finish on time?"
"What if we introduce ourselves first?"


 How much does it cost to + (verb)
You are simply asking how much you would need to pay to do something.

Here are some examples:

"How much does it cost to fly to Europe?"
"How much does it cost to own a house?"
"How much does it cost to play a round of golf?"
"How much does it cost to join a gym?"
"How much does it cost to repair my car?"
"How much would it cost to talk long distance?"
"How much would it cost to run a website?"
"How much would it cost to wash my car?"
"How much would it cost to rent a car?"
"How much would it cost to go to the movies?"

Source:http://www.manythings.org/elllo/