| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] must be [vb pp] [prep] one | 20 |
|
| 2 | [noun sg] must be [vb pp] [prep] one | 15 |
|
| 3 | must be [vb pp] [prep] one of | 12 |
|
| 4 | must be [vb pp] [prep] one [prep] | 12 |
|
| 5 | must be [vb pp] [prep] one of | 12 |
|
| 6 | must be [vb pp] [prep] one [prep] | 12 |
|
| 7 | must be [vb pp] [prep] one [noun] | 10 |
|
| 8 | must be [vb pp] [prep] one [noun sg] | 10 |
|
