| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun] [prep] [noun] | 193147 |
|
| 2 | [prep] [noun] [prep] [noun pl] | 30557 |
|
| 3 | [prep] [noun] [prep] teacher | 187 |
|
| 4 | [prep] [noun] [prep] teachers | 135 |
|
