| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] [prep] a few | 543 |
|
| 2 | [prep] a few month | 403 |
|
| 3 | [vb pp] [prep] a month | 59 |
|
| 4 | [vb pp] a few month | 37 |
|
