| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] could [not/n't] [verb] [adj] | 1013 |
|
| 2 | [vb base] [pers pn] could [verb] [adj] | 115 |
|
| 3 | [vb base] [pers pn] could [not/n't] [verb] | 92 |
|
| 4 | [vb base] [pers pn] [not/n't] [verb] [adj] | 43 |
|
