| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] be [v-ing] back [prep] a | 18 |
|
| 2 | [pers pn] be [v-ing] back [prep] a | 16 |
|
| 3 | [noun] be [v-ing] back [prep] a | 7 |
|
| 4 | be [adv] [v-ing] back [prep] a | 8 |
|
| 5 | be [not/n't] [v-ing] back [prep] a | 5 |
|
| 6 | be not [v-ing] back [prep] a | 5 |
|
| 7 | be not [v-ing] back [prep] a | 5 |
|
| 8 | be [v-ing] back [prep] a [noun] | 16 |
|
| 9 | be [v-ing] back [prep] a [noun sg] | 15 |
|
| 10 | be [v-ing] back [prep] a [adj] | 13 |
|
| 11 | be [v-ing] back [prep] a [adj] | 11 |
|
