| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] been [v-ing] [prep] | 1995 |
|
| 2 | [vb base] been [v-ing] [det] | 330 |
|
| 3 | been [v-ing] [det] [prep] | 126 |
|
| 4 | [vb base] [v-ing] [det] [prep] | 59 |
|
| 5 | [vb base] been [det] [prep] | 25 |
|
