| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [pron] [be] [v-ing] [prep] [be] | 41 |
|
| 2 | [prep] they [be] [verb] [prep] [be] | 24 |
|
| 3 | [prep] they [be] [v-ing] [prep] [be] | 11 |
|
| 4 | [prep] they [be] [v-ing] [prep] [be] | 10 |
|
