| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [not/n't] [verb] [pers pn] [adj] | 129 |
|
| 2 | [modal v] [not/n't] [verb] [pers pn] that | 65 |
|
| 3 | could [adv] [verb] [pers pn] that | 10 |
|
| 4 | could [not/n't] [verb] [pron] that | 9 |
|
