| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] be [v-ing] they back | 13 |
|
| 2 | [pers pn] be [v-ing] they back | 12 |
|
| 3 | be [v-ing] [verb] they back | 7 |
|
| 4 | be [v-ing] [to-vb] they back | 7 |
|
| 5 | be [v-ing] they back [prep] | 5 |
|
| 6 | be [v-ing] they back [prep] | 5 |
|
