| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | happen [prep] [art] [adj] time [conj] | 6 |
|
| 2 | happen [prep] the [adj] time [conj] | 6 |
|
| 3 | happen [prep] the [adj] time [conj] | 6 |
|
| 4 | happen [prep] [art] [adj] time [conj] | 6 |
|
