| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [adv] [v-ing] to happen to | 10 |
|
| 2 | it be [adv] [v-ing] happen to | 10 |
|
| 3 | it be [adv] going happen to | 9 |
|
| 4 | it be [not/n't] [v-ing] happen to | 7 |
|
| 5 | it be not [v-ing] happen to | 7 |
|
| 6 | it 's [adv] [v-ing] happen to | 6 |
|
| 7 | it be not [v-ing] happen to | 5 |
|
