| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | long [noun] [prep] | 5963 |
|
| 2 | long [noun pl] [prep] | 1372 |
|
| 3 | [adj] periods [prep] | 971 |
|
| 4 | [adj] periods [prep] | 750 |
|
| 5 | long period [prep] | 546 |
|
| 6 | long periods [prep] | 306 |
|
