| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [verb] for a [adj] | 718 |
|
| 2 | [verb] for a [adj] period | 157 |
|
| 3 | [adv] for a [adj] period | 67 |
|
| 4 | [adv] [verb] a [adj] period | 29 |
|
| 5 | [adv] [verb] for a period | 11 |
|
