| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [vb infin] back [prep] the [noun] | 26 |
|
| 2 | could [vb infin] back [prep] [art] [noun sg] | 22 |
|
| 3 | could [vb infin] back to [art] [noun] | 16 |
|
| 4 | could go back [prep] [art] [noun] | 9 |
|
| 5 | could get back [prep] [art] [noun] | 6 |
|
| 6 | could look back [prep] [art] [noun] | 5 |
|
