| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [noun sg] back [adv] that | 7 |
|
| 2 | [pos pn] [noun sg] back [adv] [that] | 7 |
|
| 3 | [pron] [noun sg] back so [that] | 6 |
|
