| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [be] one [prep] [det] | 39 |
|
| 2 | must have [be] one [prep] | 35 |
|
| 3 | must have [be] [prep] [det] | 26 |
|
| 4 | must [be] one [prep] [det] | 7 |
|
