| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [vb infin] [vb pp] back [prep] [noun] | 14 |
|
| 2 | [modal v] [vb infin] [vb pp] back [prep] [noun] | 14 |
|
| 3 | [vb infin] [vb pp] back [prep] [art] [noun] | 12 |
|
| 4 | [vb infin] [vb pp] back [prep] [art] [noun] | 12 |
|
| 5 | [vb infin] [vb pp] back [prep] the [noun] | 12 |
|
| 6 | [vb infin] [vb pp] back [prep] the [noun] | 12 |
|
| 7 | [vb infin] [vb pp] back [prep] [adj] [noun] | 7 |
|
| 8 | [vb infin] [vb pp] back [prep] [det] [noun] | 5 |
|
