| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | this [modal v] be [vb pp] | 2927 |
|
| 2 | [adj] must be [vb pp] | 445 |
|
| 3 | [det] must be [vb pp] | 334 |
|
| 4 | this must be [verb] | 202 |
|
| 5 | this must [be] [vb pp] | 200 |
|
| 6 | this must be [vb pp] | 200 |
|
| 7 | this must be [vb pp] | 200 |
|
| 8 | this must [be] [vb pp] | 200 |
|
