| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] long period | 93 |
|
| 2 | over [adj] period | 23 |
|
| 3 | over long [noun] | 19 |
|
| 4 | over [adj] period | 14 |
|
| 5 | over long period | 12 |
|
| 6 | [adv prt] long period | 10 |
|
| 7 | over long period | 10 |
|
