| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [noun] [prep] a few | 209 |
|
| 2 | [noun] [prep] a few week | 143 |
|
| 3 | a [noun] [prep] a week | 46 |
|
| 4 | a [noun] a few week | 16 |
|
