| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] led to the discovery | 7 |
|
| 2 | [Wh det] led to the discovery | 6 |
|
| 3 | which led to the discovery | 6 |
|
| 4 | which led to the discovery | 6 |
|
| 5 | [noun] led to the discovery | 5 |
|
| 6 | led to the discovery of | 19 |
|
| 7 | led to the discovery of | 19 |
|
| 8 | led to the discovery [prep] | 19 |
|
| 9 | led to the discovery [prep] | 19 |
|
