| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [verb] [pers pn] could [verb] | 527 |
|
| 2 | [adv] [verb] [pers pn] could [vb infin] | 526 |
|
| 3 | [adv] [verb] [pers pn] [modal v] have | 475 |
|
| 4 | [adv] [verb] [pers pn] [vb mod] have | 475 |
|
| 5 | [adv] [verb] [pron] could have | 88 |
|
| 6 | [adv] [verb] [pers pn] could have | 82 |
|
| 7 | [adv] [verb] [pers pn] could have | 79 |
|
