| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] back [prep] [art] [num] | 9 |
|
| 2 | [be] [vb pp] back [prep] [art] [num] | 9 |
|
| 3 | [verb] [vb pp] back [prep] [art] [num] | 5 |
|
| 4 | have [vb pp] back [prep] [art] [num] | 5 |
|
| 5 | [vb pp] back [prep] [art] [adj] [num] | 11 |
|
| 6 | [vb pp] back [prep] [art] [adj] [num] | 8 |
|
| 7 | [vb pp] back [prep] [art] early [num] | 6 |
|
| 8 | [vb pp] back [prep] [art] early [num] | 6 |
|
| 9 | [vb pp] back [prep] [art] [num] [noun] | 5 |
|
