| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] ploughed back [prep] the [noun] | 7 |
|
| 2 | be plough back [prep] the [noun] | 7 |
|
| 3 | [be] plough back [prep] the [noun] | 7 |
|
| 4 | [be] plough back into the [noun] | 6 |
|
| 5 | [be] plough back into the [noun] | 6 |
|
| 6 | [be] plough back [prep] the [noun sg] | 6 |
|
