| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [adj] [prep] | 1143 |
|
| 2 | [prep] [adj] weeks [prep] | 819 |
|
| 3 | [prep] a [adj] weeks | 459 |
|
| 4 | a [adj] weeks [prep] | 172 |
|
