| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which has only [adv] [be] [verb] | 6 |
|
| 2 | which has only [adv] been [verb] | 6 |
|
| 3 | which has only [adv] be [verb] | 6 |
|
| 4 | which has only [adv] [been] [verb] | 6 |
|
