| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must be [vb pp] for [det] | 48 |
|
| 2 | must be [verb] for [det] | 48 |
|
| 3 | must be [adj] for [det] | 17 |
|
| 4 | must be [adj] for [det] | 16 |
|
| 5 | must be made for [det] | 10 |
|
| 6 | must be make for [det] | 10 |
|
