| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [vb infin] [prep] [art] [noun] | 19719 |
|
| 2 | [vb infin] back [prep] [art] [noun] | 595 |
|
| 3 | [modal v] [vb infin] back [prep] [art] | 444 |
|
| 4 | [modal v] [vb infin] back [prep] [noun] | 329 |
|
| 5 | [modal v] [vb infin] back [art] [noun] | 75 |
|
