How to Use "sprung" with Example Sentences

1. Several renminbi-denominated hedging tools and investment products have also sprung up .
2. Where public schools are no good , cheap private ones have sprung up .
3. A host of consultancies has sprung up to teach firms how to listen to women and exploit their special abilities .
4. New schools and hospitals have sprung up .
5. Similar projects have also sprung up across europe and the united states .