| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] in the past | 114 |
|
| 2 | had in the past | 32 |
|
| 3 | happened in the past | 20 |
|
| 4 | did in the past | 10 |
|
| 5 | lived in the past | 9 |
|
