| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they must be [verb] | 363 |
|
| 2 | must be [verb] [adj] | 284 |
|
| 3 | they must be [adj] | 159 |
|
| 4 | they must [verb] [adj] | 75 |
|
| 5 | they be [verb] [adj] | 8 |
|
