| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could do [not/n't] [to-vb] [pron] | 7 |
|
| 2 | could do not [verb] [pron] | 7 |
|
| 3 | could do [not/n't] [verb] [pers pn] | 6 |
|
| 4 | could do [not/n't] [verb] she | 5 |
|
