| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [verb] to | 6455 |
|
| 2 | they [vb past] to | 2974 |
|
| 3 | [pron] happened to | 1195 |
|
| 4 | [pers pn] happened to | 213 |
|
| 5 | they happen to | 53 |
|
| 6 | they happened [prep] | 24 |
|
| 7 | they happened to | 20 |
|
