| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | did [vb infin] back | 33 |
|
| 2 | do come back | 32 |
|
| 3 | do [vb infin] back | 30 |
|
| 4 | do go back | 22 |
|
| 5 | does [vb infin] back | 13 |
|
| 6 | do get back | 10 |
|
