| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [adj] years time | 123 |
|
| 2 | [prep] thirty years [noun] | 7 |
|
| 3 | [prep] thirty [noun] time | 6 |
|
| 4 | [prep] thirty [noun pl] time | 6 |
|
| 5 | [prep] thirty year time | 5 |
|
