| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [verb] back [prep] [art] | 450 |
|
| 2 | i [verb] back [prep] [art] | 399 |
|
| 3 | [modal v] i [verb] [prep] [art] | 169 |
|
| 4 | [modal v] i [verb] back [prep] | 33 |
|
