| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may [not/n't] be [verb] | 587 |
|
| 2 | may [not/n't] be [vb pp] | 506 |
|
| 3 | [modal v] [not/n't] be achieved | 117 |
|
| 4 | [vb mod] [not/n't] be achieved | 117 |
|
| 5 | may [adv] be achieved | 15 |
|
| 6 | may [not/n't] [be] achieved | 7 |
|
| 7 | may [not/n't] [be] achieved | 7 |
|
| 8 | may [not/n't] be achieved | 7 |
|
| 9 | may [not/n't] be achieved | 7 |
|
| 10 | may [not/n't] be achieve | 7 |
|
