| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] happened to be [v-ing] | 31 |
|
| 2 | [pers pn] happened to be [v-ing] | 31 |
|
| 3 | i happened to be [v-ing] | 11 |
|
| 4 | she happened to be [v-ing] | 6 |
|
| 5 | they happened to be [v-ing] | 6 |
|
