| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [art] longest period of | 6 |
|
| 2 | [prep] [art] longest period of | 6 |
|
| 3 | [art] longest period of [noun] | 5 |
|
| 4 | [art] longest period of [noun sg] | 5 |
|
