| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [verb] at first | 34 |
|
| 2 | it [vb -s] at first | 23 |
|
| 3 | it seem at first | 17 |
|
| 4 | it seems at first | 13 |
|
| 5 | it [vb past] at first | 10 |
|
| 6 | it look at first | 6 |
|
