| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [vb infin] [verb] back [adj] | 14 |
|
| 2 | [vb mod] [verb] [verb] back [adj] | 14 |
|
| 3 | [modal v] have [verb] back [adj] | 9 |
|
| 4 | [modal v] have [verb] back [adj] | 9 |
|
| 5 | [modal v] [verb] [verb] back [det] | 7 |
|
| 6 | [modal v] [verb] [vb pp] back [adj] | 7 |
|
| 7 | [modal v] [verb] [to-vb] back [adj] | 6 |
|
| 8 | should [verb] [verb] back [adj] | 5 |
|
| 9 | [modal v] [verb] go back [adj] | 5 |
|
| 10 | should [verb] [verb] back [adj] | 5 |
|
