| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [pron] [vb mod] [be] | 88 |
|
| 2 | [be] it [vb mod] [be] | 65 |
|
| 3 | be it [vb mod] [be] | 65 |
|
| 4 | [is] it [vb mod] [be] | 19 |
|
| 5 | is it [modal v] [be] | 15 |
|
