| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | go back to a | 55 |
|
| 2 | [v-ing] back to a | 41 |
|
| 3 | [to-vb] back to a | 37 |
|
| 4 | [vb pp] back to a | 30 |
|
| 5 | [vb infin] back to a | 27 |
|
| 6 | [vb past] back to a | 22 |
|
| 7 | come back to a | 18 |
|
| 8 | going back to a | 17 |
|
| 9 | [vb -s] back to a | 15 |
|
| 10 | [vb base] back to a | 15 |
|
| 11 | to go back to a | 14 |
|
| 12 | get back to a | 12 |
|
| 13 | hark back to a | 9 |
|
| 14 | traced back to a | 8 |
|
| 15 | go back to a | 8 |
|
| 16 | trace back to a | 8 |
|
| 17 | went back to a | 8 |
|
| 18 | to get back to a | 6 |
|
| 19 | look back to a | 5 |
|
| 20 | date back to a | 5 |
|
