| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [vb pp] [pron] [verb] | 236 |
|
| 2 | be [vb pp] it [verb] | 173 |
|
| 3 | [be] [vb pp] it [verb] | 173 |
|
| 4 | is [verb] it [verb] | 127 |
|
| 5 | [is] [vb pp] it [verb] | 57 |
|
