| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [vb infin] to [det] [adj] | 20 |
|
| 2 | could lead to [det] [adj] | 8 |
|
| 3 | could lead to [det] [adj] | 8 |
|
| 4 | could [verb] to some [adj] | 6 |
|
