| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it must have be [noun] | 41 |
|
| 2 | it must have be [noun prp] | 27 |
|
| 3 | it have be [noun] [noun prp] | 22 |
|
| 4 | it must be [noun] [noun prp] | 14 |
|
| 5 | must have be [noun] [noun prp] | 14 |
|
