| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] they [adv] | 383 |
|
| 2 | be [v-ing] they [adv prt] | 205 |
|
| 3 | be [v-ing] [pron] back | 144 |
|
| 4 | be [verb] they back | 26 |
|
| 5 | be [v-ing] they back | 18 |
|
| 6 | [be] [v-ing] they back | 18 |
|
