| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] have to be [adj] | 264 |
|
| 2 | [noun sg] have to be keep | 25 |
|
| 3 | have to be keep [adj] | 22 |
|
| 4 | [noun sg] to be keep [adj] | 8 |
|
