| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [vb pp] [prep] | 72858 |
|
| 2 | [is] [vb pp] [prep] | 72850 |
|
| 3 | [be] [vb pp] on | 29437 |
|
| 4 | [is] [verb] on | 5968 |
|
| 5 | [is] [vb pp] on | 4738 |
|
