| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | the board [prep] [noun pl] | 263 |
|
| 2 | board [prep] [noun pl] [prep] | 140 |
|
| 3 | the [prep] [noun pl] [prep] | 15 |
|
| 4 | the board [noun pl] [prep] | 7 |
|
