| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [be] [vb pp] [prep] [noun prp] | 5152 |
|
| 2 | [be] [vb pp] back [prep] [noun prp] | 286 |
|
| 3 | [verb] [be] [vb pp] back [prep] | 188 |
|
| 4 | [verb] [vb pp] back [prep] [noun prp] | 113 |
|
| 5 | [verb] [be] back [prep] [noun prp] | 17 |
|
