| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [be] [prep] [noun prp] | 1017 |
|
| 2 | must [verb] [be] [prep] | 297 |
|
| 3 | must [verb] [prep] [noun prp] | 205 |
|
| 4 | must [verb] [be] [noun prp] | 45 |
|
| 5 | must [be] [prep] [noun prp] | 41 |
|
