| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | that have happen | 276 |
|
| 2 | that have happened | 271 |
|
| 3 | that had happen | 142 |
|
| 4 | that has happen | 60 |
|
| 5 | that 's happen | 46 |
|
| 6 | that have happen | 27 |
|
| 7 | that have to happen | 5 |
|
