| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] appear [prep] first sight | 8 |
|
| 2 | [vb mod] appear [prep] first sight | 8 |
|
| 3 | may appear [prep] first sight | 5 |
|
| 4 | may appear [prep] first sight | 5 |
|
