| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [be] [prep] [art] [noun sg] | 223 |
|
| 2 | [be] [prep] [adv] [art] [noun sg] | 42 |
|
| 3 | must [be] [adv] [art] [noun sg] | 29 |
|
| 4 | must [be] [prep] [adv] [art] | 8 |
|
