| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | on a [noun] of | 4043 |
|
| 2 | on a [noun sg] of | 3860 |
|
| 3 | [prep] a period of | 1599 |
|
| 4 | [prep] a period of | 1599 |
|
| 5 | on [art] period of | 16 |
|
| 6 | on [art] period of | 16 |
|
| 7 | on a period [prep] | 10 |
|
| 8 | on a period [prep] | 10 |
|
| 9 | on a period of | 8 |
|
| 10 | on a period of | 8 |
|
| 11 | on a period of | 8 |
|
| 12 | on a period of | 8 |
|
