| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] [prep] a [noun sg] | 7409 |
|
| 2 | back [prep] a [noun sg] | 884 |
|
| 3 | [vb infin] back [prep] [noun sg] | 250 |
|
| 4 | [vb infin] back [prep] a | 100 |
|
| 5 | [vb infin] back a [noun sg] | 33 |
|
