| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could not [verb] him | 443 |
|
| 2 | could not find [pron] | 209 |
|
| 3 | could not find [pers pn] | 130 |
|
| 4 | [modal v] not find him | 49 |
|
| 5 | [vb mod] not find him | 49 |
|
| 6 | could [adv] find him | 33 |
|
| 7 | could not find he | 26 |
|
| 8 | could not find him | 26 |
|
