| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] [been] [v-ing] on for | 58 |
|
| 2 | [det] [vb -s] [been] [v-ing] on | 15 |
|
| 3 | [det] [vb -s] [been] [v-ing] for | 5 |
|
