| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must be linked [prep] | 18 |
|
| 2 | must be link [prep] | 18 |
|
| 3 | must be link [prep] | 18 |
|
| 4 | must be link to | 14 |
|
| 5 | must be link to | 14 |
|
