| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] a [noun] of | 17382 |
|
| 2 | [adv] a [noun sg] of | 16956 |
|
| 3 | [adv] [art] period of | 136 |
|
| 4 | [adv] [art] period of | 136 |
|
| 5 | [adv] a period [prep] | 117 |
|
| 6 | [adv] a period [prep] | 117 |
|
| 7 | [adv] a period of | 110 |
|
| 8 | [adv] a period of | 110 |
|
| 9 | [adv] a period of | 110 |
|
