| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] happen to [be] | 189 |
|
| 2 | they happen to [be] | 49 |
|
| 3 | they [adv] to [be] | 47 |
|
| 4 | they [adv] happen to | 9 |
|
