| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [adv] for a while | 194 |
|
| 2 | [vb infin] [verb] [adv] for a | 81 |
|
| 3 | [vb infin] [adv] for a while | 29 |
|
| 4 | [vb infin] [verb] for a while | 8 |
|
