| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] it [modal v] [prep] [be] | 53 |
|
| 2 | [verb] [pron] [modal v] [prep] [been] | 36 |
|
| 3 | [verb] [pers pn] [modal v] [prep] [been] | 35 |
|
| 4 | [verb] it [modal v] [prep] [been] | 18 |
|
| 5 | [verb] it [modal v] [prep] [been] | 18 |
|
