| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [verb] [prep] [noun sg] | 18000 |
|
| 2 | must [be] [verb] [prep] | 5095 |
|
| 3 | must [verb] [prep] [noun sg] | 496 |
|
| 4 | must [be] [prep] [noun sg] | 182 |
|
| 5 | must [be] [verb] [noun sg] | 72 |
|
