| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had be [v-ing] [prep] | 1920 |
|
| 2 | had be [verb] on | 1093 |
|
| 3 | [verb] be [v-ing] on | 552 |
|
| 4 | have be [v-ing] on | 530 |
|
| 5 | [vb past] be [v-ing] on | 220 |
|
| 6 | had [be] [v-ing] on | 185 |
|
