| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] not been [prep] school | 13 |
|
| 2 | have not been [prep] school | 13 |
|
| 3 | [vb -s] not been [prep] school | 5 |
|
| 4 | not been [verb] [prep] school | 5 |
|
