| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] it [adv] happen | 8 |
|
| 2 | [modal v] it [adv] happen | 8 |
|
| 3 | [verb] it [adv] happen | 6 |
|
| 4 | do it [adv] happen | 6 |
|
| 5 | it [vb mod] [adv] happen | 294 |
|
| 6 | it [modal v] [adv] happen | 294 |
|
| 7 | it do [adv] happen | 137 |
|
| 8 | it [verb] [adv] happen | 137 |
|
| 9 | it will [adv] happen | 116 |
|
| 10 | it [vb -s] [adv] happen | 69 |
|
| 11 | it does [adv] happen | 69 |
|
| 12 | it did [adv] happen | 68 |
|
| 13 | it [vb past] [adv] happen | 68 |
|
| 14 | it wo [adv] happen | 60 |
|
| 15 | it would [adv] happen | 48 |
|
| 16 | it would [adv] happen | 47 |
|
| 17 | it will [adv] happen | 39 |
|
| 18 | it could [adv] happen | 35 |
|
| 19 | it could [adv] happen | 35 |
|
| 20 | it can [adv] happen | 32 |
|
| 21 | it can [adv] happen | 27 |
|
| 22 | it may [adv] happen | 21 |
|
| 23 | it may [adv] happen | 21 |
|
| 24 | it should [adv] happen | 19 |
|
| 25 | it should [adv] happen | 19 |
|
| 26 | it 'll [adv] happen | 17 |
|
| 27 | it might [adv] happen | 11 |
|
| 28 | it might [adv] happen | 11 |
|
| 29 | it must [adv] happen | 9 |
|
| 30 | it must [adv] happen | 9 |
|
