| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [modal v] be [adj] | 2321 |
|
| 2 | [pron] must be [adj] | 1754 |
|
| 3 | they must be [adj] | 173 |
|
| 4 | they must [be] [adj] | 159 |
|
| 5 | they must be [adj] | 159 |
|
| 6 | they must [be] [adj] | 159 |
|
