| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun prp] [prep] a [det] | 85 |
|
| 2 | [prep] [noun prp] a [det] weeks | 28 |
|
| 3 | [noun prp] [prep] a [det] weeks | 16 |
|
| 4 | [prep] [noun prp] [prep] [det] weeks | 12 |
|
