| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have be [num] [prep] [det] | 42 |
|
| 2 | must have be [num] [prep] | 40 |
|
| 3 | must have be [prep] [det] | 26 |
|
| 4 | must be [num] [prep] [det] | 7 |
|
