| be extinct | 11.65 | Humans will be extinct. | ||
| become extinct | 10.34 | Did they become extinct? | ||
| go extinct | 2.44 | Why do island creatures go extinct? |
| be extinct | 11.65 | Humans will be extinct. | ||
| become extinct | 10.34 | Did they become extinct? | ||
| go extinct | 2.44 | Why do island creatures go extinct? |