| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] they [be] [v-ing] [prep] | 367 |
|
| 2 | they [vb mod] [be] [v-ing] [prep] | 286 |
|
| 3 | [Wh det] [vb mod] [be] [v-ing] [prep] | 67 |
|
| 4 | [Wh det] they [vb mod] [be] [v-ing] | 53 |
|
| 5 | [Wh det] they [vb mod] [be] [prep] | 12 |
|
