| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must be [verb] [prep] [art] | 2090 |
|
| 2 | be [verb] [prep] [art] same | 620 |
|
| 3 | must [verb] [prep] [art] same | 23 |
|
| 4 | must be [prep] [art] same | 11 |
|
