| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] that [pers pn] must have been | 38 |
|
| 2 | [verb] that it must have be | 18 |
|
| 3 | [vb past] that [pers pn] must have be | 18 |
|
| 4 | [verb] that she must have be | 10 |
|
| 5 | [v-ing] that [pers pn] must have be | 9 |
|
| 6 | think that [pers pn] must have be | 7 |
|
| 7 | [verb] that he must have be | 6 |
|
