| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [be] [vb pp] [prep] [noun sg] | 790 |
|
| 2 | have [be] [vb pp] [prep] [noun sg] | 409 |
|
| 3 | must have [be] [vb pp] [prep] | 237 |
|
| 4 | must have [vb pp] [prep] [noun sg] | 62 |
|
| 5 | must have [be] [prep] [noun sg] | 25 |
|
