| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] could not be achieved | 12 |
|
| 2 | [noun sg] could not be achieved | 11 |
|
| 3 | could not have be achieved | 10 |
|
| 4 | could not [vb infin] be achieved | 10 |
|
| 5 | could not have be achieved | 10 |
|
| 6 | could not [verb] be achieved | 10 |
|
| 7 | could not be achieved [prep] | 16 |
|
| 8 | could not be achieved [prep] | 16 |
|
| 9 | could not be achieved [adv] | 5 |
|
| 10 | could not be achieved [adv] | 5 |
|
| 11 | could not be achieved by | 5 |
|
| 12 | could not be achieved by | 5 |
|
