| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could not [vb infin] the right [noun] | 10 |
|
| 2 | could not [verb] the right [noun sg] | 7 |
|
| 3 | could n't [verb] the right [noun] | 7 |
|
| 4 | could not find the right [noun] | 5 |
|
| 5 | could not find the right [noun] | 5 |
|
