| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] [pers pn] must have be | 67 |
|
| 2 | [vb base] [pers pn] must have been | 67 |
|
| 3 | think [pers pn] must have be | 43 |
|
| 4 | [vb base] it must have be | 32 |
|
| 5 | [vb base] i must have be | 15 |
|
| 6 | suppose [pers pn] must have be | 10 |
|
| 7 | [vb base] he must have be | 10 |
|
