| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] [to-vb] [prep] [noun] | 1856 |
|
| 2 | [v-ing] back [prep] [noun] | 897 |
|
| 3 | [to-vb] back [prep] [noun] | 763 |
|
| 4 | [v-ing] [to-vb] back [prep] | 160 |
|
| 5 | [v-ing] [to-vb] back [noun] | 25 |
|
