| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] is on | 54 |
|
| 2 | [vb base] [is] on | 22 |
|
| 3 | [v-ing] [is] on | 11 |
|
| 4 | [vb pp] [is] on | 11 |
|
| 5 | do [is] on | 6 |
|
