| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [adv] [prep] a long | 257 |
|
| 2 | [verb] [prep] a long period | 91 |
|
| 3 | [verb] [adv] [prep] a period | 85 |
|
| 4 | [adv] [prep] a long period | 36 |
|
| 5 | [verb] [adv] a long period | 31 |
|
