| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i did [adv] | 12245 |
|
| 2 | i [verb] before | 136 |
|
| 3 | i [vb past] before | 121 |
|
| 4 | [pron] did before | 71 |
|
| 5 | i do before | 16 |
|
