| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [num] [coord] [adj] million year | 22 |
|
| 2 | [adj] [coord] [adj] million year | 22 |
|
| 3 | [coord] [adj] [adj] million year | 9 |
|
| 4 | [coord] [num] [adj] million year | 7 |
|
| 5 | [coord] twenty [adj] million year | 5 |
|
| 6 | [coord] twenty [adj] million year | 5 |
|
| 7 | [coord] [adj] [adj] million year | 9 |
|
| 8 | [coord] [adj] [num] million year | 9 |
|
| 9 | [coord] [adj] thousand million year | 6 |
|
| 10 | [coord] [adj] thousand million year | 6 |
|
| 11 | [coord] [adj] million year [adv] | 16 |
|
| 12 | [coord] [adj] million year ago | 16 |
|
| 13 | [coord] [adj] million year ago | 16 |
|
| 14 | [coord] [adj] million year [adv] | 16 |
|
