| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | long period [prep] | 546 |
|
| 2 | long [noun] between | 64 |
|
| 3 | [adj] period between | 42 |
|
| 4 | [adj] period between | 34 |
|
| 5 | long period between | 10 |
|
