| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] [adv] [adj] period for | 15 |
|
| 2 | [art] [adv] [adj] period for | 15 |
|
| 3 | a [adv] [adj] period for | 11 |
|
| 4 | a [adv] [adj] period for | 8 |
|
| 5 | [adv] [adj] period for [noun] | 10 |
|
