| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [been] [prep] [noun] [prep] | 610 |
|
| 2 | [verb] [been] [prep] school [prep] | 16 |
|
| 3 | [vb past] [been] [prep] school [prep] | 13 |
|
| 4 | [vb past] [be] [prep] school [prep] | 13 |
|
