| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [prep] [Wh det] [be] [v-ing] on | 29 |
|
| 2 | [adv] [prep] [Wh det] be [v-ing] on | 29 |
|
| 3 | [adv] [prep] [Wh det] [was/were] [v-ing] on | 8 |
|
| 4 | [adv] [prep] [Wh det] was [verb] on | 8 |
|
| 5 | [adv] [prep] [pron] was [v-ing] on | 8 |
|
| 6 | [adv] [prep] [Wh det] was [v-ing] [adv] | 8 |
|
| 7 | [adv] [prep] [Wh det] was [v-ing] [adv prt] | 8 |
|
| 8 | [adv] [prep] [Wh det] was [v-ing] on | 8 |
|
