| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] be used [prep] [adj] | 350 |
|
| 2 | [modal v] not be used [prep] | 255 |
|
| 3 | [modal v] not be [prep] [adj] | 51 |
|
| 4 | not be used [prep] [adj] | 27 |
|
