| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [to-vb] back [prep] [noun] | 376 |
|
| 2 | [v-ing] [to-vb] [adv] [prep] [noun] | 352 |
|
| 3 | [v-ing] [to-vb] [adv prt] [prep] [noun] | 245 |
|
| 4 | [v-ing] [verb] back [prep] [noun] | 50 |
|
| 5 | [v-ing] [to-vb] back [prep] [noun] | 39 |
|
