| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] at first | 15 |
|
| 2 | it [modal v] at first | 15 |
|
| 3 | it [vb mod] at first | 15 |
|
| 4 | it may at first | 9 |
|
| 5 | it may at first | 9 |
|
| 6 | it might at first | 5 |
|
| 7 | it might at first | 5 |
|
