| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] years | 74755 |
|
| 2 | [num] years | 55310 |
|
| 3 | thirty [noun] | 3222 |
|
| 4 | thirty [noun pl] | 2628 |
|
| 5 | thirty year | 1134 |
|
| 6 | thirty years | 1090 |
|
