| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have lead to a [adj] | 8 |
|
| 2 | [vb mod] have lead to a [adj] | 8 |
|
| 3 | have lead to a [adj] [noun] | 10 |
|
| 4 | have lead to a [adj] [noun sg] | 10 |
|
