| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] it occur to | 10 |
|
| 2 | did [pron] occur to | 10 |
|
| 3 | [vb past] it occur to | 10 |
|
| 4 | [vb past] [pers pn] occur to | 10 |
|
