| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [n mass] back [prep] [art] | 36 |
|
| 2 | [n mass] back [prep] the | 35 |
|
| 3 | [n mass] back [prep] the | 35 |
|
| 4 | people back [prep] [art] | 16 |
|
| 5 | [n mass] back to [art] | 14 |
|
| 6 | [n mass] back into [art] | 11 |
|
| 7 | aircraft back [prep] [art] | 7 |
|
