| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] yet [been] develop | 5 |
|
| 2 | not yet [been] develop | 5 |
|
| 3 | not yet [been] develop | 5 |
|
| 4 | [not/n't] yet [been] develop | 5 |
|
