| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [be] back [prep] | 527 |
|
| 2 | [vb mod] [be] back [prep] | 527 |
|
| 3 | [vb mod] [be] [adv] for | 399 |
|
| 4 | [vb mod] [be] [adv prt] for | 204 |
|
| 5 | [vb mod] [be] back for | 45 |
|
| 6 | [modal v] [be] back for | 45 |
|
| 7 | [vb mod] [be] back for | 45 |
|
| 8 | [vb mod] [be] back for | 45 |
|
