| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] must have be [prep] | 11 |
|
| 2 | [adj] must have been [prep] | 11 |
|
| 3 | [det] must have be [prep] | 11 |
|
| 4 | that must have be [prep] | 6 |
|
| 5 | that must have be [prep] | 6 |
|
| 6 | this must have be [prep] | 5 |
|
| 7 | this must have be [prep] | 5 |
|
