| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [prep] [adj] years [pron] | 128 |
|
| 2 | period [prep] [adj] [noun] [pron] | 52 |
|
| 3 | period [prep] [adj] [noun pl] [pron] | 24 |
|
| 4 | period [prep] [adj] year [pron] | 12 |
|
| 5 | period [prep] [adj] years [pron] | 11 |
|
