| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [verb] to | 7089 |
|
| 2 | they [vb past] to | 3106 |
|
| 3 | [pron] happened to | 1195 |
|
| 4 | they happen to | 55 |
|
| 5 | they happened [prep] | 25 |
|
