| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a long [noun] [prep] | 3012 |
|
| 2 | a [adj] period [prep] | 1182 |
|
| 3 | [art] long period [prep] | 304 |
|
| 4 | [art] long period [prep] | 304 |
|
| 5 | a long period [prep] | 245 |
|
| 6 | a long period [prep] | 245 |
|
