| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [adv] back to | 16 |
|
| 2 | is [adv] back to | 11 |
|
| 3 | [is] now back to | 6 |
|
| 4 | 's [adv] back to | 5 |
|
