| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [v-ing] on | 1009 |
|
| 2 | [v-ing] on this | 340 |
|
| 3 | [is] [v-ing] this | 215 |
|
| 4 | [is] on this | 88 |
|
