| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | of a [noun] of | 8659 |
|
| 2 | [prep] a period of | 1599 |
|
| 3 | of [art] period of | 111 |
|
| 4 | of [art] period of | 111 |
|
| 5 | of a period [prep] | 52 |
|
| 6 | of a period of | 44 |
|
