| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [adv] have be achieved | 18 |
|
| 2 | [vb mod] [adv] [verb] be achieved | 18 |
|
| 3 | [modal v] [adv] [vb infin] be achieved | 18 |
|
| 4 | [modal v] [adv] [verb] been achieved | 18 |
|
| 5 | [modal v] [adv] have be achieved | 18 |
|
| 6 | could [adv] [verb] be achieved | 14 |
|
| 7 | could [adv] [verb] be achieved | 14 |
|
| 8 | [modal v] [not/n't] [verb] be achieved | 14 |
|
| 9 | [modal v] not [verb] be achieved | 14 |
|
| 10 | [modal v] not [verb] be achieved | 13 |
|
