| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] must be [det] kind | 7 |
|
| 2 | must be [det] kind [prep] | 8 |
|
| 3 | must be [det] kind of | 8 |
|
| 4 | must be [det] kind [prep] | 8 |
|
| 5 | must be [det] kind of | 8 |
|
