| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] must have be | 1554 |
|
| 2 | [pers pn] must have been | 1552 |
|
| 3 | [pers pn] must have be | 1516 |
|
| 4 | it must have be | 781 |
|
| 5 | he must have be | 263 |
|
| 6 | she must have be | 139 |
|
| 7 | they must have be | 123 |
|
| 8 | i must have be | 117 |
|
| 9 | you must have be | 94 |
|
| 10 | [pers pn] must 've be | 38 |
|
| 11 | we must have be | 17 |
|
| 12 | them must have be | 9 |
|
