| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [be] [adv] [vb pp] back [prep] | 10 |
|
| 2 | [modal v] [be] [adv] [vb pp] back [prep] | 10 |
|
| 3 | [be] [adv] [vb pp] back [prep] [adj] | 5 |
|
| 4 | [be] [adv] [vb pp] back [prep] the | 5 |
|
| 5 | [be] [adv] [vb pp] back [prep] [art] | 5 |
|
| 6 | [be] [adv] [vb pp] back [prep] the | 5 |
|
| 7 | [be] [adv] [vb pp] back [prep] [art] | 5 |
|
