| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] long period | 15 |
|
| 2 | [det] long period | 14 |
|
| 3 | that long period | 5 |
|
| 4 | [adj] long periods | 5 |
|
| 5 | that long period | 5 |
|
