| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [verb] [prep] [art] | 3268 |
|
| 2 | [modal v] lead [prep] [art] | 1173 |
|
| 3 | [vb mod] lead [prep] [art] | 1173 |
|
| 4 | could lead [prep] [art] | 208 |
|
