| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] six weeks | 446 |
|
| 2 | [noun prp] [prep] six | 172 |
|
| 3 | [noun prp] [prep] weeks | 14 |
|
| 4 | [noun prp] six weeks | 7 |
|
