| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] been [v-ing] [prep] | 1995 |
|
| 2 | [vb base] been [verb] on | 673 |
|
| 3 | [verb] been [v-ing] on | 530 |
|
| 4 | [vb base] [be] [v-ing] on | 160 |
|
| 5 | [vb base] be [v-ing] on | 160 |
|
| 6 | [vb base] [been] [v-ing] on | 154 |
|
