| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not go back | 128 |
|
| 2 | not go back | 53 |
|
| 3 | not going back | 50 |
|
| 4 | not to go back | 14 |
|
| 5 | not go back | 6 |
|
| 6 | not gone back | 5 |
|
