| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not always be possible [to-vb] | 8 |
|
| 2 | not always be possible [to-vb] | 8 |
|
| 3 | [adv] always be possible [to-vb] | 8 |
|
| 4 | [not/n't] always be possible [to-vb] | 8 |
|
