| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [be] [prep] [det] | 784 |
|
| 2 | must have [be] [prep] | 294 |
|
| 3 | must have [be] [det] | 93 |
|
| 4 | must [be] [prep] [det] | 48 |
|
