| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [adv] happened to | 30 |
|
| 2 | have ever happened to | 26 |
|
| 3 | has [adv] happened to | 23 |
|
| 4 | have never happened to | 17 |
|
| 5 | 's [adv] happened to | 14 |
|
| 6 | have just happened to | 6 |
|
| 7 | have actually happened to | 5 |
|
| 8 | have already happened to | 5 |
|
