| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they could [verb] | 4234 |
|
| 2 | they could [vb infin] | 4177 |
|
| 3 | they [modal v] sell | 103 |
|
| 4 | [pron] could sell | 89 |
|
| 5 | [pers pn] could sell | 86 |
|
| 6 | they could sell | 22 |
|
| 7 | they could sell | 21 |
|
