| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it happen [det] | 52 |
|
| 2 | it happens [adj] | 34 |
|
| 3 | it happened [adj] | 33 |
|
| 4 | it happen all | 32 |
|
| 5 | it happen all | 32 |
|
| 6 | it happen [num] | 17 |
|
| 7 | it happen this | 11 |
|
| 8 | it happen this | 11 |
|
| 9 | it happen one | 8 |
|
| 10 | it happen one | 8 |
|
| 11 | it happen [adj] | 6 |
|
| 12 | it happen [adj] | 5 |
|
| 13 | it happen [num ord] | 5 |
|
