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UNIT 10 THEY'VE FOUND A FOSSIL.
| PRESENT PERFECT (RECENT EVENTS) |
| What | has he have you | discovered? | He has I/We have | discovered a fossil. |
| SINCE / FOR / UNTIL NOW / IN THE LAST ... YEARS |
| Scientists have looked for fossils in this area since 2006. Since 2006, scientists have looked for fossils in this area. |
| We have lived here for many years. For many years, we have lived here. |
| People have not found many fossils in the area until now. Until now, people have not found many fossils in the area. |
| Some teenagers have come across some unusual fossils in the last few years. In the last few years, some teenagers have come across some unusual fossils. |
| RECENTLY |
| Recently, two girls have discovered a mammoth skull. Two girls have recently discovered a mammoth skull. Two girls have discovered a mammoth skull recently. |
