| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it must have been [pron] | 34 |
|
| 2 | it must have be [indef pn] | 19 |
|
| 3 | it must have be something | 12 |
|
| 4 | it must have be something | 12 |
|
| 5 | it must have be [pos pn] | 8 |
|
| 6 | it must have be [pers pn] | 7 |
|
| 7 | it must have be he | 5 |
|
| 8 | it must have be his | 5 |
|
| 9 | it must have be his | 5 |
|
