| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [verb] be | 1276 |
|
| 2 | [prep] [v-ing] be | 1060 |
|
| 3 | [prep] work be | 26 |
|
| 4 | [prep] working be | 25 |
|
| 5 | [prep] working [be] | 25 |
|
