| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [vb infin] [prep] [det] | 890 |
|
| 2 | [modal v] [vb infin] for [det] | 706 |
|
| 3 | [vb mod] [vb infin] for [det] | 706 |
|
| 4 | could [vb infin] for [adj] | 129 |
|
| 5 | could [verb] for [det] | 65 |
|
| 6 | could [vb infin] for [det] | 65 |
|
