| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] be used [prep] | 2697 |
|
| 2 | [modal v] [not/n't] be [prep] | 1148 |
|
| 3 | [modal v] [not/n't] be used | 555 |
|
| 4 | [not/n't] be used [prep] | 352 |
|
