| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | lead up to | 490 |
|
| 2 | leading up to | 333 |
|
| 3 | led up to | 70 |
|
| 4 | leads up to | 32 |
|
| 5 | led up to | 31 |
|
| 6 | lead up to | 21 |
|
