| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] be [verb] | 99665 |
|
| 2 | [prep] be [v-ing] | 8008 |
|
| 3 | [prep] be take | 2253 |
|
| 4 | [prep] [be] taking | 184 |
|
