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