| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] long period | 137 |
|
| 2 | over long [noun] | 24 |
|
| 3 | over [adj] period | 23 |
|
| 4 | over long period | 12 |
|
| 5 | [adv prt] long period | 12 |
|
