| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it happen all the time | 28 |
|
| 2 | it [vb -s] all the time | 25 |
|
| 3 | it happens all the time | 22 |
|
| 4 | it [vb past] all the time | 9 |
|
| 5 | it [v-ing] all the time | 5 |
|
