| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] [adj] period of [noun] | 739 |
|
| 2 | [adv] [adj] period of [noun] | 87 |
|
| 3 | [adv] [art] period of [noun] | 58 |
|
| 4 | [adv] [art] [adj] period of | 52 |
|
| 5 | [adv] [art] [adj] of [noun] | 10 |
|
