| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | did [adv] [verb] [prep] | 7381 |
|
| 2 | [adv] [verb] back [prep] | 2414 |
|
| 3 | did [adv] [verb] back | 201 |
|
| 4 | did [verb] back [prep] | 13 |
|
