| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it have happen [adj] [noun] | 14 |
|
| 2 | it [verb] happened [adj] [noun] | 11 |
|
| 3 | it [vb past] happen [adj] [noun] | 10 |
|
| 4 | it [verb] happen [adj] [noun pl] | 10 |
|
| 5 | it had happen [adj] [noun] | 9 |
|
| 6 | it [verb] happen [det] [noun] | 9 |
|
| 7 | it [verb] happen [adj] time | 7 |
|
| 8 | it [verb] happen [adj] times | 6 |
|
| 9 | it [verb] happen [adj] [noun sg] | 6 |
|
| 10 | it [verb] happen [num] [noun] | 6 |
|
| 11 | it [vb -s] happen [adj] [noun] | 5 |
|
