| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [vb mod] appear | 84 |
|
| 2 | they may appear | 27 |
|
| 3 | they might appear | 17 |
|
| 4 | they will appear | 15 |
|
| 5 | they would appear | 14 |
|
