| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] [verb] [prep] [be] | 547 |
|
| 2 | which [modal v] [verb] [prep] [be] | 197 |
|
| 3 | which it [modal v] [verb] [prep] | 77 |
|
| 4 | which it [verb] [prep] [be] | 38 |
|
| 5 | which it [modal v] [verb] [be] | 23 |
|
