| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they could [vb infin] [prep] | 582 |
|
| 2 | they could [vb infin] [prep] | 582 |
|
| 3 | [pron] could [vb infin] for | 500 |
|
| 4 | they [modal v] [vb infin] for | 455 |
|
| 5 | they [vb mod] [vb infin] for | 455 |
|
| 6 | [pers pn] could [vb infin] for | 442 |
|
| 7 | they could [vb infin] for | 64 |
|
| 8 | they could [vb infin] for | 64 |
|
| 9 | they could [verb] for | 64 |
|
| 10 | they could [vb infin] for | 64 |
|
