| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [be] [adj] [prep] | 15444 |
|
| 2 | it [modal v] [be] [adj] | 10086 |
|
| 3 | it [modal v] [be] [prep] | 2061 |
|
| 4 | it [be] [adj] [prep] | 82 |
|
| 5 | it [modal v] [adj] [prep] | 6 |
|
