| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [prep] a [adj] [unc] | 437 |
|
| 2 | [noun] [prep] a [adj] weeks | 142 |
|
| 3 | [noun] [prep] [adj] weeks [unc] | 62 |
|
| 4 | [prep] a [adj] weeks [unc] | 29 |
|
