| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] [to-vb] for a | 218 |
|
| 2 | [vb pp] for a few | 90 |
|
| 3 | [vb pp] [to-vb] a few | 59 |
|
| 4 | [to-vb] for a few | 57 |
|
