| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] i had to go back | 8 |
|
| 2 | [adv] i had to go back | 5 |
|
| 3 | [adv] i had to go back | 5 |
|
| 4 | i had to go back [prep] | 13 |
|
| 5 | i had to go back [prep] | 13 |
|
| 6 | i had to go back to | 11 |
|
| 7 | i had to go back to | 11 |
|
| 8 | i had to go back [conj] | 5 |
|
