| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] be [v-ing] on for | 109 |
|
| 2 | [Wh det] [verb] be [v-ing] on | 80 |
|
| 3 | [Wh det] [verb] be [v-ing] for | 38 |
|
| 4 | [Wh det] be [v-ing] on for | 7 |
|
