| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [been] [verb] [prep] [noun] | 5083 |
|
| 2 | [verb] [been] [verb] [prep] school | 38 |
|
| 3 | [vb past] [be] [verb] [prep] school | 14 |
|
