| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [prep] [adj] [noun sg] | 1491 |
|
| 2 | must [be] [prep] [noun sg] | 182 |
|
| 3 | must [be] [adj] [noun sg] | 115 |
|
| 4 | must [be] [prep] [adj] | 89 |
|
