| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] [been] [v-ing] on | 75 |
|
| 2 | [vb base] [been] [v-ing] and | 73 |
|
| 3 | [been] [v-ing] on and | 18 |
|
| 4 | [vb base] [v-ing] on and | 8 |
|
