| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [verb] to a | 68 |
|
| 2 | [modal v] belong to a | 22 |
|
| 3 | [vb mod] belong to a | 22 |
|
| 4 | must belong to [art] | 19 |
|
| 5 | must belong to a | 7 |
|
| 6 | must belong [prep] a | 7 |
|
