| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they must be [adj] | 159 |
|
| 2 | they must be [adj] | 153 |
|
| 3 | they must be able | 19 |
|
| 4 | they must be prepared | 7 |
|
| 5 | them must be [adj] | 6 |
|
