| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [adv] for a period [prep] | 13 |
|
| 2 | [verb] [adv] for a period [prep] | 13 |
|
| 3 | [verb] [adv] for a period of | 11 |
|
| 4 | [verb] [adv] for a period of | 11 |
|
| 5 | [be] [verb] [adv] for a period | 9 |
|
| 6 | be [verb] [adv] for a period | 9 |
|
| 7 | [verb] [adv] for a [adj] period | 26 |
|
| 8 | [verb] [adv] for a [adj] period | 22 |
|
| 9 | [verb] [adv] for a long period | 6 |
|
| 10 | [verb] [adv] for a short period | 6 |
|
| 11 | [verb] [adv] for a short period | 6 |
|
| 12 | [verb] [adv] for a continuous period | 5 |
|
| 13 | [verb] [adv] for a continuous period | 5 |
|
