| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must be [verb] [prep] [art] [adj] | 658 |
|
| 2 | [modal v] be [verb] [prep] [art] same | 341 |
|
| 3 | must be [verb] [prep] [art] [det] | 30 |
|
| 4 | must be [verb] [prep] [art] same | 21 |
|
| 5 | must be [verb] [prep] [art] same | 21 |
|
| 6 | must [be] [verb] [prep] [art] same | 21 |
|
| 7 | must be [verb] [prep] [art] same | 21 |
|
| 8 | must [be] [verb] [prep] [art] same | 21 |
|
