| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [verb] [prep] a [noun] | 4202 |
|
| 2 | [verb] on [prep] a [noun] | 784 |
|
| 3 | been [verb] on [prep] [noun] | 124 |
|
| 4 | been [verb] on [prep] a | 40 |
|
