| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] have led to a [noun sg] | 11 |
|
| 2 | [modal v] have led to a [noun sg] | 11 |
|
| 3 | have led to a [adj] [noun sg] | 9 |
|
| 4 | have led to a [adj] [noun sg] | 7 |
|
| 5 | have led to a [noun sg] [prep] | 10 |
|
| 6 | have led to a [noun sg] [prep] | 10 |
|
