| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [modal v] be used [prep] | 668 |
|
| 2 | [modal v] be used [prep] [adj] | 350 |
|
| 3 | [pron] [modal v] be [prep] [adj] | 338 |
|
| 4 | [pron] [modal v] be used [adj] | 10 |
|
