| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [adj] [unc] [noun] | 260 |
|
| 2 | [prep] [adj] weeks [unc] [noun] | 120 |
|
| 3 | a [adj] weeks [unc] [noun] | 32 |
|
| 4 | [prep] a [adj] weeks [unc] | 29 |
|
| 5 | [prep] a [adj] weeks [noun] | 18 |
|
