| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] happened [art] [adj] time | 5 |
|
| 2 | have happened [art] [adj] time | 5 |
|
| 3 | happened [art] [adj] time [adv] | 5 |
|
| 4 | happened [art] [adj] time [adv] | 5 |
|
| 5 | happened [art] [adj] time ago | 5 |
|
| 6 | happened [art] [adj] time ago | 5 |
|
