| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they could [verb] | 4234 |
|
| 2 | they could [vb infin] | 4177 |
|
| 3 | [pron] could take | 699 |
|
| 4 | they [modal v] take | 653 |
|
| 5 | [pers pn] could take | 623 |
|
| 6 | they could take | 71 |
|
| 7 | they could take | 70 |
|
