| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must be [prep] [art] [adj] | 109 |
|
| 2 | [modal v] be [prep] [art] same | 76 |
|
| 3 | must [be] [prep] [art] same | 11 |
|
| 4 | must be [prep] [art] same | 11 |
|
| 5 | must [be] [prep] [art] same | 11 |
|
