| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [adj] weeks [prep] [noun] | 317 |
|
| 2 | [prep] a [adj] [prep] [noun] | 251 |
|
| 3 | [prep] a [adj] weeks [prep] | 63 |
|
| 4 | a [adj] weeks [prep] [noun] | 46 |
|
| 5 | [prep] a [adj] weeks [noun] | 18 |
|
