| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [adv] happen that | 125 |
|
| 2 | it [adv] happen [that] | 125 |
|
| 3 | it [adv] happen that | 125 |
|
| 4 | it [adv] happens [conj] | 77 |
|
| 5 | it so happen [conj] | 75 |
|
| 6 | it [adv] happened [conj] | 62 |
|
| 7 | it often happen [conj] | 24 |
|
| 8 | it just happen [conj] | 15 |
|
| 9 | it [adv] happen [subord] | 12 |
|
| 10 | it sometimes happen [conj] | 7 |
|
| 11 | it [adv] happen [coord] | 5 |
|
