| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | begin to walk back [prep] the house | 5 |
|
| 2 | [verb] to walk back [prep] the house | 5 |
|
| 3 | [vb past] to walk back [prep] the house | 5 |
|
| 4 | began to walk back [prep] the house | 5 |
|
