| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [modal v] be [vb pp] [prep] | 4211 |
|
| 2 | it [modal v] be [vb pp] [prep] | 3584 |
|
| 3 | [adj] it [modal v] be [vb pp] | 177 |
|
| 4 | [adj] it [modal v] be [prep] | 92 |
|
