| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] to be [prep] | 5209 |
|
| 2 | [v-ing] [prep] be [prep] | 631 |
|
| 3 | [v-ing] [prep] be [prep] | 490 |
|
| 4 | [v-ing] to be [prep] | 465 |
|
| 5 | [v-ing] to be [prep] | 465 |
|
| 6 | [v-ing] to [be] [prep] | 465 |
|
