| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [be] [v-ing] [pron] back | 9 |
|
| 2 | they [be] [v-ing] [pron] back | 9 |
|
| 3 | they be [v-ing] [pron] back | 9 |
|
| 4 | they [be] [v-ing] [pers pn] back | 6 |
|
| 5 | they [am/are] [v-ing] [pron] back | 5 |
|
