| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] [prep] [pron] | 78225 |
|
| 2 | is [vb pp] [prep] | 70805 |
|
| 3 | is [prep] [pron] | 3574 |
|
| 4 | is [vb pp] [pron] | 934 |
|
