| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not be [verb] [prep] | 6999 |
|
| 2 | must be [verb] [prep] | 5095 |
|
| 3 | must not be [verb] | 548 |
|
| 4 | must not [verb] [prep] | 205 |
|
| 5 | must not be [prep] | 18 |
|
