| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] not [verb] be [verb] | 727 |
|
| 2 | [modal v] not [verb] be [vb pp] | 606 |
|
| 3 | [modal v] [adv] [verb] be achieved | 18 |
|
| 4 | [modal v] not [verb] [be] achieved | 14 |
|
| 5 | [modal v] not [verb] be achieve | 14 |
|
