| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] led to the collapse | 7 |
|
| 2 | [noun sg] led to the collapse | 6 |
|
| 3 | led to the collapse [prep] | 13 |
|
| 4 | led to the collapse [prep] | 13 |
|
| 5 | led to the collapse of | 12 |
|
| 6 | led to the collapse of | 12 |
|
