| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [adv] [verb] [pron] | 1960 |
|
| 2 | [modal v] [adv] [verb] their | 754 |
|
| 3 | [vb mod] [adv] [verb] their | 754 |
|
| 4 | could [adv] [verb] [pos pn] | 587 |
|
| 5 | could [adv] [verb] their | 255 |
|
| 6 | could [adv] [verb] their | 121 |
|
| 7 | could [adv] [verb] their | 121 |
|
