| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] it happen | 800 |
|
| 2 | as it happen | 483 |
|
| 3 | [subord] it happens | 435 |
|
| 4 | [subord] it happened | 365 |
|
| 5 | when it happen | 123 |
|
| 6 | if it happen | 91 |
|
| 7 | because it happen | 22 |
|
| 8 | before it happen | 21 |
|
| 9 | since it happen | 13 |
|
| 10 | until it happen | 13 |
|
| 11 | after it happen | 8 |
|
