| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [vb pp] [adv] | 12775 |
|
| 2 | [be] [vb pp] on | 3323 |
|
| 3 | be [vb pp] on | 3323 |
|
| 4 | is [verb] on | 1188 |
|
| 5 | [is] [vb pp] on | 426 |
|
