| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] [noun] [pron] [verb] | 1170 |
|
| 2 | it [be] [noun] [pron] [vb past] | 896 |
|
| 3 | it [be] [noun] [pron] have | 165 |
|
| 4 | [pron] [be] [noun] [pron] had | 157 |
|
