| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] been [v-ing] [prep] | 2255 |
|
| 2 | been [v-ing] forward [prep] | 70 |
|
| 3 | [vb past] been [v-ing] forward | 31 |
|
| 4 | [vb past] [v-ing] forward [prep] | 7 |
|
