| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [verb] at all | 47 |
|
| 2 | it [verb] at all | 47 |
|
| 3 | it [vb -s] at all | 20 |
|
| 4 | it happen at all | 10 |
|
| 5 | it [vb past] at all | 8 |
|
| 6 | it exist at all | 7 |
|
| 7 | it [vb infin] at all | 5 |
|
| 8 | it [to-vb] at all | 5 |
|
