| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [be] [vb pp] [conj] [pron] [is] | 370 |
|
| 2 | [vb mod] [be] [vb pp] [conj] it [be] | 275 |
|
| 3 | [vb mod] [be] [verb] [conj] it [is] | 239 |
|
| 4 | [modal v] [be] [vb pp] [conj] it [is] | 230 |
|
