| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could go back [conj] | 9 |
|
| 2 | could go back [conj] | 9 |
|
| 3 | could go back and | 8 |
|
| 4 | could go back and | 8 |
|
| 5 | could go back [coord] | 8 |
|
