| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | this [be] a [adj] | 4250 |
|
| 2 | must [be] a [adj] | 457 |
|
| 3 | this must [be] a | 44 |
|
| 4 | this must [be] [adj] | 39 |
|
